derekmead writes: A team of National Health Institute researchers has for the first time uncovered the genetic roots of one of the strangest allergies: vibrations. The vibration allergy, which is just as it sounds, may be quite rare, but understanding it more completely may yield important insights into the fundamental malfunctioning of immune cells in the presence of allergens. The group's findings are published in the New England Journal of Medicine. In addition to being uncommon, the vibration allergy is not very dangerous. In most cases, the allergic response is limited to hives—the pale, prickly rash most often associated with allergic and autoimmune reactions. Other less-common symptoms include headaches, blurry vision, fatigue, and flushing. The triggering vibrations are everyday things: jogging, jackhammering, riding a motorcycle, towel drying. Symptoms appear within a few minutes of exposure and are gone usually within an hour.
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