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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.
Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Asthma cases in Americans are about 75% higher today than they were in 1980.