7 Medical Myths Even Doctors BelieveRobert Roy Britt
December 20, 2007 02:00pm ET
Though hair and fingernails appear to keep growing after death, this is merely a morbid optical illusion at work. In death the human body dehydrates severely, retracting enough skin to expose more nail and hair.
Popular culture is loaded with myths and half-truths. Most are harmless. But when doctors start believing medical myths, perhaps it's time to worry.
In the
British Medical Journal this week, researchers looked into several common misconceptions, from the belief that a person should drink eight glasses of water per day to the notion that reading in low light ruins your eyesight.
"We got fired up about this because we knew that physicians accepted these beliefs and were passing this information along to their patients," said Dr. Aaron Carroll, assistant professor of pediatrics at the Indiana University School of Medicine. "And these beliefs are frequently cited in the popular media."
And so here they are, so that you can inform your doctor:
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