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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 documented use of surgical anesthesia in the United States was in Connecticut in 1844.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.