Myth: We use only 10 percent of our brains.
Myth: You should drink at least eight glasses of water a day.
Myth: Fingernails and hair grow after death.
Myth: Shaved hair grows back faster, coarser and darker.
Myth: Reading in dim light ruins your eyesight.
Myth: Eating turkey makes you drowsy.
Myth: Mobile phones are dangerous in hospitals.
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.
"We got fired up about this because we knew that physicians accepted these beliefs and were passing this information along to their patients,"
"And these beliefs are frequently cited in the popular media."
"Whenever we talk about this work, doctors at first express disbelief that these things are not true,"
"But after we carefully lay out medical evidence, they are very willing to accept that these beliefs are actually false."
clipped from: www.livescience.com