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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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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.
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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
Modern primate study sometimes involves high-tech methods. This golden lion tamarin is having a batt
Young adults increase in self-esteem between the ages of 18 and 25, according to this longitudinal s
Study of Taste Categories among the Weyéwa of Sumba, Indonesia
Teaching Gender
Two behavioral paradigms that are used extensively in the study of the neural mechanisms of ...
Heartfelt Forgiveness Study