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Science

Who's Behind the Shower Curtain? 526

Roland Piquepaille writes "No, it's not Norman Bates. Instead, hundreds of millions of yellow, pink and white bacteria are hiding on your shower curtain. According to a study by San Diego and Colorado researchers, it should be enough to push you to turn the water off and to make you grab a towel. After analyzing the vinyl shower curtains from their own bathrooms, the scientists found '...about 80 percent of the organisms they found in the flaky scum were in the same genetic families as those known to infect wounds'. Sorry to leave you here, but I also have to go and buy another shower curtain, preferably a disposable one."
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Who's Behind the Shower Curtain?

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  • I call BS! (Score:5, Interesting)

    by RobertB-DC ( 622190 ) * on Monday May 03, 2004 @04:34PM (#9044418) Homepage Journal
    About 80 percent of the organisms they found in the flaky scum were in the same genetic families as those known to infect wounds or cause problems for people with AIDS, cancer or other immune system disorders.

    What an absolute load of crap. That's like saying "about 80 percent of Germans come from the same country as Adolph Hitler."

    What's sorely missing from this article is any sense of journalism. I know that's a passe' concept. But when a "study" like this comes out, stating the obvious in "OMFG the sky is falling!" terms, you should follow the money.

    Who pays for "studies" like this? I predict if you follow the money, you'll find that this fine product is from the makers of Lysol [lysol.com] and other fine household products.

    These would be the same people that supply "educational, informative" news bits to small-market stations that get run alongside the real news. I remember one in the mid-90s that described the horrors facing your family during the Thanksgiving holiday, and how you'd save their lives by using an antibiotic cleanser. Our old friend Lysol was prominently featured -- over and over -- but the company's likely sponsorship of the ad-in-news'-clothing was conveniently left out.

    Or maybe I'm just another paranoid Green [gpus.org].
    • I agree.. There's bacteria everywhere!? Especially in warm moist places?? I'm so suprised.
      • This reminds me of the bacteria on desks [medicalnewsservice.com] article from a few months back.

        While showering one morning, our hero thinks, "This guy got published for looking at dirty workstations? Huh, I wonder if what's on this shower curtain in my hot steamy shower will get press, too?"

      • Re:I call BS! (Score:4, Insightful)

        by Rei ( 128717 ) on Monday May 03, 2004 @08:18PM (#9046790) Homepage
        Even if the bacteria were infectious, that would be no reason to change your curtain. Quite to the contrary, I'd rather be infected with a wide range of infectious bacteria when I'm in good health, so that when I need to go in for surgery or get a severe injury, I will already have antibodies built up. If you were to modify your life so that you lived in a sterile bubble, the first disease you came across would be life threatening.
    • by FortKnox ( 169099 ) on Monday May 03, 2004 @04:38PM (#9044474) Homepage Journal
      Wow, jumping right into the Godwin's Law on that reply, ain'tcha?
    • by gbjbaanb ( 229885 ) on Monday May 03, 2004 @04:39PM (#9044480)
      Adolph was Austrian... so any studies showing 80% of Germans coming from his country would be equally crap as this one was :)
    • Re:I call BS! (Score:5, Interesting)

      by lindec ( 771045 ) on Monday May 03, 2004 @04:40PM (#9044527) Homepage
      Sensationalist? Perhaps. But the magnitude is probably correct. The abundance of bacteria and other microscopic life is amazing. The most abundant animal for example, the phylum Nematoda, can have millions in a single spoonful of soil. Odds are that most of the bacteria are from the same genetic family, since bateria are incredibly diverse and the classes and phylums contain many, many species. Hell, a cold sore is herpes simplex, which is in the same family as genital herpes.
      • by lcsjk ( 143581 ) on Monday May 03, 2004 @05:50PM (#9045373)
        Although not stated explicitly in the article, people being treated by Chemotherapy have their immune system killed or very depleted. Knowing that a shower curtain may contain harmful bacteria growths could be life-saving. Most likely, nothing life-threatening is growing there, but the article does provide more information about one area where people feel safe but might not be.
        By the way, we have found that the best disenfectant is bleach, sodium hypochlorite. Better than alcohol or Lysol. Don't apply to cloth shower curtains though. 'Also found that anti-bacterial hand soap is basically worthless.

      • Re:I call BS! (Score:3, Interesting)

        I'll point out that in the case of Herpes, you're talking about viruses, in which case "family" probably doesn't mean the same thing as with bacteria.

        I'm sure Herpes "type 1" and Herpes "type 2" are almost genetically identical.
    • This is the San Diego Union Tribune, so chances are good that the "staff writer" is nothing but a glorified reformatter of press releases. Their reporting is so bad even my parakeet won't crap on it.
    • Re:I call BS! (Score:5, Informative)

      by Merlin42 ( 148225 ) * on Monday May 03, 2004 @04:46PM (#9044610)
      While I agree that the story itself was sensationalized, this research does have some value. It could be a stepping off point for developing new protocols for dealing with immunosupressed indivuduals. eg should someone that falls into the susceptible category take extra precautions when bathing, and if so what should those precautions be?

      Did you read the next paragraph?

      Their paper has been accepted for publication in an upcoming issue of Applied and Environmental Microbiology. Their research was funded by a grant from the National Institutes of Health, the medical research arm of the federal government.


      So while Lysol may have helped out some, at least some of the money came from a respectable source. Although, I hope this study didn't cost all that much to do.
      • Re:I call BS! (Score:4, Interesting)

        by nomel ( 244635 ) <turd&inorbit,com> on Monday May 03, 2004 @07:03PM (#9046202) Homepage Journal
        Just get a glass sliding glass shower/tub door.

        Much less pourus than vinyl, and, since you have to wipe it down with a squeegee to keep the glass visibly clean, it probably stays much clearer than the vinyl.
      • Re:I call BS! (Score:5, Informative)

        by bug-eyed monster ( 89534 ) <bem03@NOsPam.canada.com> on Monday May 03, 2004 @07:17PM (#9046313)
        "While I agree that the story itself was sensationalized..."

        Actually, the story itself is pretty level-headed, it's the summary posted on Slashdot that is sensationalistic (I believe that's what you meant when you said "sensationalized" but I just want to make it very clear). The article says:

        "About 80 percent of the organisms they found in the flaky scum were in the same genetic families as those known to infect wounds or cause problems for people with AIDS, cancer or other immune system disorders."


        But the submitter cut the sentence when quoting, removing the qualification and making it look like the organisms found affect everybody and not just a specific group of people.

        Another quote to show the article is quite reasonable:

        "Kelly and Pace emphasized that the bacteria they found on their shower curtains normally don't cause problems for humans. "We don't want to freak people out, because we're really only talking about immune-compromised people," Kelley said"


        The good thing is, now when someone is diagnosed with a deficiency in their immune system, they can be advised to use glass shower doors.
    • by k2dbk ( 724898 ) on Monday May 03, 2004 @04:53PM (#9044692) Homepage Journal
      It's also just like pointing out the ever-present danger of Dihydrogen Monoxide! [dhmo.org]
    • by raehl ( 609729 )
      100% of people come from the same genetic family as shit-throwing chimps.
    • Re:I call BS! (Score:4, Informative)

      by taped2thedesk ( 614051 ) * on Monday May 03, 2004 @05:22PM (#9045040)
      This study is important because it once your immune system has been compromised, you pretty much have to do everything you can to avoid bacteria like this. Exactly how to do that has been a sort of mystery, because it's very difficult to figure out where these infections actually take place. This study might show that hospitals and homes that house high-OI risk people need to clean their shower curtains more than they normally would (perhaps daily instead of once a week), or that extra ventilation/filtering needs to be added to eliminate the airborne bacteria.

      To the average person, it probably doesn't mean much - our immune systems are generally strong enough to fight off the majority of bacteria we're exposed to. To an immunocompromised person, it could quite literally save their life.

      If it weren't for the somewhat mysterious nature of OIs, I'd agree with you - but anything that might help to pinpoint specific sources of OIs can save a lot of lives.

    • Re:I call BS! (Score:4, Insightful)

      by Anonymous Coward on Monday May 03, 2004 @05:53PM (#9045413)
      I quit using antibacterial soap years ago, and I've never been too big on Lysol or any other cleaning product whose primary purpose is to kill germs. See, I think there's a twofold danger here. Firstly, your immune system needs to know what to defend itself against. If you kill all the germs in your environment and don't get exposed to them regularly, then your immune system is weakened and you become more susceptible to bacterial infection. Secondly, if your cleaning product kills 99% of bacteria, then it's probable that some of the the 1% that survived have some genetic trait that can make them resistant to your germ killer. As that fraction of the bacteria reproduces, you've helped, using Darwinian survival of the fittest, to grow a stronger germ.

      Don't get me wrong. I don't leave chicken sitting out on the counter overnight and then eat it raw. There's a fairly obvious line between "not overcautious" and "stupid". By cleaning up the messes that culture bacteria, I avoid a potential point of exposure to dangerous levels of them. But, by not making an effort to utterly sterilize my living environment, I allow myself to be exposed to normal levels of all sorts of buggies, keeping my immune system on its toes.

      I recently had my wisdom teeth out and took my antibiotics like the doctor ordered. Guess what? I didn't get a nasty bacterial infection, even when I switched back to solid foods too soon and got some particles of food down in the empty (and not quite fully healed) tooth sockets and didn't notice for a few hours.
    • >>About 80 percent of the organisms they found in the flaky scum were in the same genetic families as those known to infect wounds or cause problems for people with AIDS, cancer or other immune system disorders.

      Let's not forget that potatoes and tomatoes are in the same genetic family (Solanaceae) as [gasp] Deadly Nightshade. And carrots are in the same genetic family (Umbeliferae) as [horrors] Poison Hemlock. And little Fluffy the Cockapoo over there is in the same genetic family (Canidae) as th

    • Not BS at all! (Score:3, Insightful)

      by instarx ( 615765 )
      I see two problems with your criticism: First, you don't know the difference between science and magazine articles; and second, you only look at the study from your own limited experience - and because you, personally, have had no problem with surface bacteria you conclude that there is no problem.

      What's sorely missing from this article is any sense of journalism.

      This was a scientific study, NOT journalism. The study, albeit reported in a popular article, reports the facts. YOU are the one who sees a
  • Ewww (Score:3, Funny)

    by darth_MALL ( 657218 ) on Monday May 03, 2004 @04:35PM (#9044424)
    I'll stick to bathing in the rainbarrel in front of my trailer.
  • Hm... (Score:5, Funny)

    by aznxk3vi17 ( 465030 ) on Monday May 03, 2004 @04:35PM (#9044425)
    I always wondered if that funky, non-natural, slimy, stuff-that-didn't-come-from-me, slippery, smelly, discolored stuff on my shower curtain wasn't good for me. Now I know!
  • Kill them. (Score:5, Informative)

    by jrockway ( 229604 ) * <jon-nospam@jrock.us> on Monday May 03, 2004 @04:35PM (#9044428) Homepage Journal
    I spray my shower curtain with bleach every week or so. That should kill our good bacteria friends...
    • chemicals (Score:3, Interesting)

      by Anonymous Coward
      has it occurred to you that the body kills bacteria, but chemical bioaccumlation is forever?
    • Re:Kill them. (Score:5, Interesting)

      by Otter ( 3800 ) on Monday May 03, 2004 @04:47PM (#9044626) Journal
      In the interest of "health", my wife already drenches the bathtub with some isopropanol-based cleaner after every shower. I keep trying to persuade her that breathing clouds of solvent fumes is almost certainly worse for you than anything on the tub, to no avail. I hope she doesn't find out about this new development.

      Using glass shower doors instead of curtains is probably a good idea, though, and certainly a better idea than disposable curtains. (?!?) At a minimum, they're easier to keep esthetically clean than vinyl curtains.

    • by Ateryx ( 682778 ) on Monday May 03, 2004 @04:50PM (#9044666)
      I spray my shower curtain with bleach every week or so. That should kill our good bacteria friends...


      I do the same thing in my dorm... only replace shower curtain with toliet and bleach with alcohol.

    • Re:Kill them. (Score:4, Informative)

      by John Whitley ( 6067 ) on Monday May 03, 2004 @04:50PM (#9044667) Homepage
      Instead of chlorine bleach, I just dump the shower curtain liner in the washing machine, on hot, with a bit of detergent and an oxygen-based bleach/cleanser. Bath mats go in, too. Works wonders, better than any spray-on approach I've tried.

      Unsurprisingly, this also works great for smelly sports gear that's washing machine safe. And no, I *don't* mean your PS2 controller. 8-)
    • Re:Kill them. (Score:5, Insightful)

      by plopez ( 54068 ) on Monday May 03, 2004 @05:30PM (#9045143) Journal
      as the saying goes, "what does not kill us only makes us stronger". Attributed to Nietsche (sp?) I believe.

      Our bacterial friends are just insuring that the weak members of our species are being culled out. If you can't handle a little bathroom scum then, hey, better to not reproduce. Right?

      (For the humor impaired, I'm joking... :)

    • Re:Kill them. (Score:3, Insightful)

      by gnuman99 ( 746007 )
      Spray yourself too.

      Only 10% of you is you. The rest is not your cells!

      For starters, when you go to the toilet to do the #2, well, 50% of shit by mass is bacteria! The rest, is the stuff you ate.

      People should realize that without bacteria, you are DEAD. A horrid death at that.

      Most of the stuff that kills bacteria is a bunch of bull, you just pushes them around, and you end up with feces bacteria on your dinner table (really!) after you clean your house.

      Anyway, when humans will actually be able to a

  • harumph (Score:3, Funny)

    by Triumph The Insult C ( 586706 ) on Monday May 03, 2004 @04:35PM (#9044431) Homepage Journal
    these things worry not me, the traditional non-showering geek
  • by oldmildog ( 533046 ) on Monday May 03, 2004 @04:35PM (#9044432) Homepage Journal
    Exactly the reason I don't shower.
  • I don't take showers you insensitive clod!
  • I have an enclosed shower stall. Without a shower curtain, there's no way that I can be exposed to such bacteria!
  • by deft ( 253558 ) on Monday May 03, 2004 @04:36PM (#9044449) Homepage
    How on earth is this news for nerds, stuff that matters.

    I've been to the coding department.... and trust me, none of them are in danger of going near a shower.

    but seriously, this didnt effect me before, its not going to effect me know. I might hit the curtain with some cleaner next time I scrub the walls, but thats about it.
  • This is enough to stop me from washing my hair in the kitchen sink and hold off on rubbing the dirt off myself with my PC keyboard. Now I can't use the shower either!

  • by Blaubart ( 776564 ) on Monday May 03, 2004 @04:36PM (#9044452)
    I always wondered why there was no shower curtain in my apartment in Korea. The bathroom was tiled all over, had a sink, toilet, shower head and a drain in the center. Simple enough - my only complaint was that the shower head was directly over the toilet...
    • by mekkab ( 133181 ) on Monday May 03, 2004 @04:39PM (#9044485) Homepage Journal
      my only complaint was that the shower head was directly over the toilet...


      that way, you're doing double duty.

      Read aloud. I'll just let that one sink in.
  • by Anonymous Coward on Monday May 03, 2004 @04:37PM (#9044453)
    It's amazing, how the sciences of epidemiology and microbiology have produced such irrational paranoia in some people. Yes, there are bacteria upon your shower curtain. It's (often) warm and moist. (gasp)

    Naturally the rational solution to this is to start throwing away your shower curtain after each use. (!!) But wait, there are bacteria on the trash can... better start throwing the trash out after each use. And that icky dumpster! AAAIEEEEE!

    Give it a rest. Unless you have a compromised immune system or are caring for someone who does, this is NOTHING to worry about.
  • by ralphb ( 15998 ) * on Monday May 03, 2004 @04:37PM (#9044457) Homepage
    We have a cloth shower curtain, and it goes in the laundry every week or so. They cost more, and washing is a hassle, but there's a lot less grunge to tolerate.

    Cleaning Instructions: How to clean a shower curtain to shine like new [essortment.com]
  • Bathers get revenge!
  • i shower my head in the toilet bowl every morning. it's easy and convenient with no messy shower curtains and bathtubs to worry about:

    1. insert head in toilet bowl.
    2. flush.
    3. repeat as necessary.

    for better results add shampoo/soap to flush tank.

    and remember...you heard it first on slashdot.

  • by Neologic ( 48268 ) on Monday May 03, 2004 @04:39PM (#9044486)
    As glass is slower to acquire the scum; I wonder if squeegeeing the glass doors also helps slow down this effect.
  • by wafflemonger ( 515122 ) on Monday May 03, 2004 @04:39PM (#9044487)
    I sure that 80% of the bacteria in your intestines are from the same families of bacteria that infect wounds. But if you kill all of them off you are asking for some serious health problems.
  • Do you even suspect whats in your carpet?, on your mattress(besides stains)?, or especially in the ventilation system of your house or office? Those are really scary. It's enough to keep you from ever going to a hotel or motel again.

    Of course we have all been exposed to so much of it the immunities are quite active and most of us won't ever notice.
  • Newsflash! (Score:2, Interesting)

    by SandSpider ( 60727 )
    Gasp! Scientists have found that plastics that live in warm, wet environments contain Bacteria! Oh...my...god!

    Seriously, this is about as non-newsy as you can get. Next we're going to find out that there's bacteria of the wound-infecting type just hanging around on people's skin. And telephones! Don't get me started on telephones. We might have to create an army of Telephone Sanitizers to save us from being wiped out by some manner of virulent disease contracted through the receiver of a telephone.

    =Brian
  • Tolerance (Score:5, Funny)

    by lcde ( 575627 ) on Monday May 03, 2004 @04:39PM (#9044503) Homepage
    I've grown quite a tolerance by licking my curtain.

    hehe ick.
  • Exposure to germs (Score:4, Interesting)

    by yintercept ( 517362 ) on Monday May 03, 2004 @04:40PM (#9044504) Homepage Journal
    I dislike shower curtains...too difficult to clean. My shower has a germ infected glass door. As for the germs, the article fails to make a case that exposure to germs on shower curtains cause disease. Personally, I think limited exposure to germs helps keep the immune system in tune. I think I will continue to take showers despite the grave hazard that the exposure to germs entails.
  • by Chairboy ( 88841 ) on Monday May 03, 2004 @04:40PM (#9044518) Homepage
    While this may be a factual study, I find myself more interested in the alarmist reactions people have to news like this.

    Life is not about walking from one hermetically sealed clean room to another, there's all sorts of things out there that we interact with on a daily basis. Every time you breath, you inhale pollen, dust mites, various chemical vapors, and all sorts of organic detritus.

    Every time you drink water, there's a certain quantity of dead organic material, traces of various excrements, and so on, even if your water is bottled.

    We do not live life as individual colonies of humanity, sailing through deserts of sterility, instead we walk through a cloud of sloughed off bacteria, viruses, and other debris, and it's O-K.

    Humankind has lived for millenia with these things, and for the most part, we've been O-K.

    People lived before pasteurization, people lived before water filtration, people even lived before MOUTHWASH! And they were all... O-K.

    The world we live in is much cleaner in terms of organic residue then ever before, and the legions of bacteria on your shower curtain have not spontaneously appeared out of the ether, so calm down, take a deep breath, and stop panicing.

    It's just a matter of time before someone figures out that there's a correlation between good health and some non-obvious combination of bacteria and organic waste. In the meantime, let Howard Hughes-style cleanliness craziness pass you by and just live your lives peacefully.

    Y'all are O-K.
    • OK is relative (Score:5, Interesting)

      by poptones ( 653660 ) on Monday May 03, 2004 @04:54PM (#9044703) Journal
      Yeah, people lived before pasteurization and mouthwash and clean community water - but lots MORE of them didn't. Scores of Napoleon's men were lost to canned goods that had gone bad, and even today tens of thousands die every year when the monsoons bring cholera outbreaks.

      I'm sick as a dog right now because I'm on day four of a seven day course of some disgusting antibiotic [rxlist.com] that leaves me nauseous and physically in pain, but it's all that's available to me now because, thanks to abuse of these medicines by our own medical system, this infection in my sinus (that had to be surgically removed) is immune to everything else.

      Yeah, "humankind" may adapt, but in the process legions will become sick and die. FYI the infection in my sinus is a staph, and staph can live a very long time on things like shower curtains. So dismiss it if you care, just hope it's not your leg that has to be cut off when you contract a treatment resistant staph from simply brushing against your shower curtain after having scratched that mosquito bite you got last night...

      • Re:OK is relative (Score:3, Interesting)

        by PsiPsiStar ( 95676 )
        If it's really that bad, maybe consider a trip to Tslibli?

        The old Soviet Union used bacteriophages (virus which kill bacteria) to treat common bacterial infections like Cholera. There may be available that can kill your infection and most doctors don't think to proscribe them.

        The biggest downside to phages is that you have to know EXACTLY what strain of what bacteria you're dealing with, but in your case it sounds like it'd be worthwhile to go through the process.

        It's really a pity they don't have this s
    • by Dun Malg ( 230075 ) on Monday May 03, 2004 @05:05PM (#9044852) Homepage
      The world we live in is much cleaner in terms of organic residue then ever before, and the legions of bacteria on your shower curtain have not spontaneously appeared out of the ether, so calm down, take a deep breath, and stop panicing.

      Yeah, go back 150 years and you'd be surprised at the level of filth. A lot of starnge beliefs, like "getting your feet wet causes a cold" came from a time when any minor occurence that lowered your resistence to infection was highly likely to result in illness. I was recently reading the autobiography of Mark Twain and, at one point, he expressed guilt for having allowed his infant son's blanket to slip partly off on a carriage ride, resulting in the child coming down with something and dying. His daughter died at age 24 from meningitis, as I recall, and he himself nearly died from measels when he was a boy.

      Personally, I'll take the shower curtain over anything the past had to offer. We got it easy.

  • Mumbo-Jumbo (Score:5, Insightful)

    by bobej1977 ( 580278 ) * <rejamison&yahoo,com> on Monday May 03, 2004 @04:41PM (#9044543) Homepage Journal
    I'm reminded of the MythBusters episode where they leave toothbrushes in their bathroom for a month to look for fecal coloform bacteria and find it on every brush, inclusing a control brush they didn't touch the entire time in their kitchen.

    This kind of silliness has lead companies to create all manner of anti-bacterial wipes and soaps, and while they may ward off the occasional infection, more likely it is just watering down our immune systems so that when an infection does strike, our bodies are unprepared. To me, this is just another blip on the mass-media Paranoia-meter.

    I guess I'm pessimistic, but IMHO we are hell bent as a species on painting ourselves into a biological and ecological corner.

    • Re:Mumbo-Jumbo (Score:5, Informative)

      by Dun Malg ( 230075 ) on Monday May 03, 2004 @05:11PM (#9044913) Homepage
      I'm reminded of the MythBusters episode where they leave toothbrushes in their bathroom for a month to look for fecal coloform bacteria and find it on every brush, inclusing a control brush they didn't touch the entire time in their kitchen.

      You left out the most important part: the results. They found fecal coliform growing on ALL the brushes, including the two brushes kept covered in another room. It's also important to note what the bacteriologist said after he told them it was on ALL the brushes: fecal coliform is everywhere, so don't worry about it. If you're healthy, you can handle it.

  • by Neologic ( 48268 ) on Monday May 03, 2004 @04:41PM (#9044548)
    If our shower curtains gather all this scum, wouldn't the body wash puffs that many people use also? Wouldn't this be worse as there is no need to aerosolize the bacteria in case- it gets ground right in? Following that, what is the best way to disinfect a body wash puff? Is there a way? Or should they be treated as disposible items?
  • Umm... duh? (Score:3, Interesting)

    by Autumnmist ( 80543 ) on Monday May 03, 2004 @04:42PM (#9044550)
    So what if 80% are from families of infectious organisms? We have beneficial E. coli bacteria living in our stomachs (we are born this way!), but other strains of E. coli (same family) are known to cause severe and sometimes lethal food poisoning. Big deal.
  • Oh boo-hoo (Score:5, Insightful)

    by AC-x ( 735297 ) on Monday May 03, 2004 @04:42PM (#9044558)

    Humans are designed to survive much dirtier conditions then we live in now, that's what we have an immune system for.

    Infact one of the reasons why there's a lot more people suffering allergies these days could be that because we live in such clean conditions our immune system's got nothing better to do then go nuts over minor environmental contaminates.

  • by c4seyj0nes ( 669515 ) on Monday May 03, 2004 @04:44PM (#9044597)
    S. paucimobilis, which can cause problems for immune-compromised patients or lead to blood stream or urinary tract infections, pneumonia and abscesses in the gut.

    I've noticed that my cat often enters the shower (after i'm done) and licks the water droplets. Recently he came down with a pretty sevire urinary tract infection (UTI) which ended up costing me a couple hundered dollars for an emergency vet clinic stay. Now i'm wondering if the shower curtan was to blame.
  • by vapid transit ( 738521 ) on Monday May 03, 2004 @04:47PM (#9044620)
    First off I'll state that I'm a microbiologist. Saying that two bacterium come from the same "genetic family" is totally meaningless. Take E. coli K12 and E. coli 0157:H7 for example. They're the same SPECIES. K12 is harmless while 0157 will give you bloody diarrhea and could potentially kill you. I hate reading crap like this. It helps ignorant people justify their decision to disinfect EVERYTHING, thus inhibiting childrens' development of robust immune systems.
    • by Tackhead ( 54550 ) on Monday May 03, 2004 @05:11PM (#9044907)
      > First off I'll state that I'm a microbiologist. Saying that two bacterium come from the same "genetic family" is totally meaningless. Take E. coli K12 and E. coli 0157:H7 for example. They're the same SPECIES. K12 is harmless while 0157 will give you bloody diarrhea and could potentially kill you.

      Bravo!

      While we're at it, I've always wanted to see a field guide to identifying common household microorganisms. For instance, what (sets of) critters are responsible for the "pink ones", "yellow ones", or "white ones"?

      Granted, there's no practical health value to knowing that, I've always been curious as to who's living with me. My curiosity was piqued by moving from one apartment to another, and noticing that where my "old" dish rack and shower used to tell me I was overdue for a full-blown bleaching by accumulating visible yellow stuff in the corner, my "new" dish rack tells me by displaying colonies of whatever the pink bugs were. "Hi! We've got a thick enough protective biofilm here that rinsing with water won't work! Nyaah nyaa-OMFG, IT'S THE SODIUM HYPOCHLAAAaauggh...."

      Another bug story - the single-pane windows in my first apartment used to (probably still do) harbor colonies of some green-black mold that would slowly drop spores onto the windows' venetian blinds during winter. Ugh. I hated cleaning those blinds (bleach, paper towels, up-close-and-personal) myself, but there was no way to convince the landlord to do proper remediation of the cracks in the paint around the windowsill, because the landlord didn't want a "mold" claim on the building's record. If it'd been a house, I'd have fixed it out of my own pocket and never breathed a word to the insurance company, but the work required was too extensive for me to DIY and the landlord didn't want to hear of it. Fucker.

      Anyways, whatever that mold was, it was badass. I first discovered it because some had dropped off the blinds and set up shop on the metal windowsill behind a pile of boxes that blocked my view of the windowsill for a whole winter. When I found it a few months later, the mold had etched marks into stainless steel. Not only was it badass mold, but weird mold. It ate metal (and presumably dust/skin flakes and other spores) all winter long, but it left the huge pile of yummy cellulose cardboard (the boxes) untouched.

  • by angst7 ( 62954 ) on Monday May 03, 2004 @04:47PM (#9044624) Homepage
    welcome our new infectious shower-curtain overlords.

    That is to say, I'll remember not to dress any wounds with strips of my shower curtain.

    What a dumb story.
  • Wonder... (Score:3, Funny)

    by manavendra ( 688020 ) on Monday May 03, 2004 @04:48PM (#9044633) Homepage Journal
    if this study/research was sponsored by a large, evil corporation planning to ride the panic buying wave for their all new, shower-curtain cleaner+disinfectant - that they know will be induced after this story is read by the masses?
  • by jpellino ( 202698 ) on Monday May 03, 2004 @04:52PM (#9044678)
    (1) it took NIH money to culture four dirty shower curtains.
    (2) it took two (2) PhDs to figure this out.
    (3) these are apparently rather filthy PhDs (RTA - the four shower curtains were all theirs).

    You could have found this out for free at the next state science fair. Along with the usual assortment of cultured doorknobs, soap dishes, dishes from the sink, toothbrushes and hairbrushes, TV remotes and telephones.
  • by kisrael ( 134664 ) * on Monday May 03, 2004 @04:58PM (#9044762) Homepage
    "I don't understand why some people wash their bath towels. When I get out of the shower I'm the cleanest object in my house. In theory, those towels should be getting cleaner every time they touch me."
    "Maybe I could hug you every day so I don't need showers."
    "Are towels supposed to bend?"
    --Wally and Alice, this Dilbert [flubu.com] cartoon
  • Oh please (Score:3, Insightful)

    by dustmite ( 667870 ) on Monday May 03, 2004 @05:07PM (#9044862)

    So now I'm supposed to suddenly be afraid of doing something I've been doing my life without any ill effects so far? Sounds like a marketing ploy.

  • by retro128 ( 318602 ) on Monday May 03, 2004 @05:16PM (#9044947)
    I just love it when these guys roll out and say stuff like this.

    "There are more germs in your kitchen then there are on your toilet seat", seeming to imply that a toilet seat has fewer and less dangerous microbes than a kitchen sponge.

    And now we have "There are lots of infectious, er, well at least they belong to infectious families, of bacteria on your shower curtain"

    I'm sorry, but I can say that I've never gotten a wound infected while washing dishes or taking a shower. I can not say the same about cleaning a toilet. A word to the wise - if you have an open cut on your hand/arm, do not clean the toilet, even if you are wearing rubber gloves.

    Anyway, do these guys really have nothing better to do than count bacteria on shower curtains and issue a press release about it? I'm sure whoever provided the grant money for this research is ecstatic.
  • by foidulus ( 743482 ) on Monday May 03, 2004 @05:18PM (#9044972)
    Reminds me of the polio outbreak in the US. It actually occured when they fixed the sewer system. In the early 20th century kids would often play in the streets with open sewage, and although polio existed, it never got out of hand. However when they cleaned up the streets and installed a modern sewage system, the infection rate shot up? Why? Because the kids playing in the streets with the open sewage developed an immunity to the disease early, but after the sewers were cleaned up, the kids did not get exposed to weaker forms and thus the contraction rate shot up.
    This is why I think young people in America are going to be a lot more susceptible to disease as they grow older. As the germ phobes buy all these "anti-bacterial" products, it tends to make the developing immune systems in the children weaker because they do not have an opportunity to fight diseases at a young age. Sensationalist media like this doesn't help.
    • by ChrisMaple ( 607946 ) on Monday May 03, 2004 @06:29PM (#9045855)
      It's a good hypothesis, here's another possibility: In the early 20th century, mechanical refrigeration made the widespread consumption of large quantities of ice cream possible. The increased consumption of sugar resulted in weakened immune systems and poorer general health.
    • It's like in a hospital where you are probably more likely to get some raging new sort of bacterial infection BECAUSE they try so hard to keep everything free from the "evil" bacteria.

      The reletively harmless bacteria gets killed off pretty easy by the bleach and chemicals used to clean the hospital (which is one reason why they're the reletively harmless ones) but the really tough bacteria doesn't die off completely and now has all this new empty space with no competition.

      This is why some scientists wer
  • by Penicillus ( 755795 ) on Monday May 03, 2004 @05:45PM (#9045314)
    The author's right. What he didn't say however, was that the white bacteria (Staphylococcus) that are nasty infectors are probably not the Staph that is on the shower curtain. I'd expect most Staph there to be Staph epididymus, which occurs superabundantly on human skin. The yellow bacteria (called Sarcina lutea when I went to school) are, after Staph epididymus the most common bugs in inhabited houses. So yes - scratch your head or elsewhere, and you'll leave your bacteria on your shower curtain. But it's not worth having nightmares about at night. BTW, when a bleach compound (Tilex, etc., or a 5% solution of plain old household bleach) is used on a surface, the effect is good for about 3-4 days. I make my living doing indoor air quality studies. Convincing people that they should be clean, etc. is a good first step.
  • by Zoinks ( 20480 ) on Monday May 03, 2004 @06:04PM (#9045527)
    Here are things that will affect you more than the shower curtain:

    1) Those water filtering pitchers that live in your fridge (e.g., Brita filters). My family seemed to keep getting sick (colds, or sore throat) until we started taking real good care to clean the pitcher out regularly (dishwasher).

    2) The pink stuff that can grow on your toothbrush (down at the bottom of the bristles). Yuck! I now *dry* my toothbrush off with a clean towel after use.

    3) Razor blades! I used to get "shaving bubbles" under my chin and a rather irritated face until I dipped the double-edged razor in rubbing alcohol after every use.

    I'm sure the shower scum isn't too healthy either, but heck, the easiest access microbes have to your body is through the mouth.
  • by NewtonsLaw ( 409638 ) on Monday May 03, 2004 @06:05PM (#9045542)
    We're already starting to learn that to try and eradicate bacteria and other pathogens in our environment is a tactic that backfires badly.

    For millions of years our immune system has evolved to protect us from most of these microbes and until recently a satisfactory balance has developed that allow us to co-exist without too many problems.

    Unfortunately (and probably driven by idiotic chemical companies) a new mindset developed in the mid 20th century which suggested we should "kill all germs" using whatever disinfectant or antibiotic was most profitable to sell.

    There are a growing number of health professionals who now claim that our immune system is actually becoming weaker -- since it's seeing fewer threats. This would be fine and dandy except that bacteria and new pathogens (prions etc) are on the comeback path -- their ability to adapt/evolve extremely rapdily meaning that many of our chemicals and antibiotics are now largely ineffective.

    In effect, they're doing a Borg act and already adapted to become immune to our weapons.

    The ultimate example of this are the growing number of antibiotic resistant bacteria that now pose a real threat and can't be killed by even our last line of defence -- vancomycin. If you are infected by one of these, you and your immune system pretty much on your own and death is quite likely.

    There is now also evidence to suggest that the dramatic rise in asthma is a result of our "cleaner living" and the reduction in bacterial and mould levels in our homes.

    It's about time that we woke up to the fact that, with only a few exceptions, bacteria are our friends and pose little or no threat to us.

    Even the deadly staph normally lives quite happily in our sinuses and other parts of the body. It only becomes a threat under unusual circumstances which allow it to grow at a rate beyond our immune system's ability to cope.

    So, be friends with your shower curtain and learn to appreciate that by being exposed to its bacteria on a daily basis, you're actually doing yourself a favour by exercising your immune system to make it stronger and more capable for when it's really needed.

Get hold of portable property. -- Charles Dickens, "Great Expectations"

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