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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.