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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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.
As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
If you could remove all of your skin, it would weigh up to 5 pounds.