An anonymous reader writes "How are you using smartphones and other portable devices to take charge of your medical care? The NY Times has an article about attachments to the iPhone for tracking blood sugar and blood pressure. There are also glorified web cams that take pictures of your ear drum, teeth or eyes to save you a trip to the doctor's. Some people are tracking the changes in their moles with an iPhone App. Is this the beginning of Med 2.0?" Odd as it sounds, I was able to be more quickly and reliably diagnosed with Lyme disease last fall because I'd taken some pictures on my phone of the lesion I'd wrongly thought was the result of a spider bite. Any camera would have worked, but I had my camera-equipped phone with me, rather than any other kind.