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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.
The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").