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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
The FDA recognizes 118 routes of administration.
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.
Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.