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Did you know?
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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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.
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The longest a person has survived after a heart transplant is 24 years.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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