Popular culture filled with myth and legend. Most are harmless. But when doctors start believing medical myths, perhaps it's time to worry the British Medical Journal this week, researchers looked into several common misconceptions, from the belief that a person should drink 8 glasses of water per day to read in dim light ruins your eyesight.
"We got fired up about this, because we knew that physicians accepted these things like that, and even provide such information to their patients". So says dr. Aaron Carroll, assistant professor of pediatrics (child specialist) at the Indiana University School of Medicine. "And these beliefs are frequently cited in the popular media".
Here they are, so it can inform your doctor.
Myth: We use only 10 percent of our brains.
Fact: Physicians and comedians, like Jerry Seinfeld, often mensitasi this statement. He is often erroneously credited to Albert Einstein. However, MRI scans, PET scans and other imaging studies have shown that there is no area mengganggur (dormant) in the brain. After viewing individual neurons or cells reveals no inactive areas. Metabolic studies of how brain cells process chemicals show no areas that are not functioning. According to Carroll, this myth probably originated from the motivators of personality in 1900 who wanted to convince audiences that they have not reached their full potential.
Myth: You should drink at least eight glasses per day.
Fact: "There is no medical evidence to suggest that you need that much water". So says dr. Rachel Vreeman, a pediatrics research. According to Vreeman, this myth comes from the year 1945, which the United States Nutrition Board recommends that a person consume as much as 8 glasses of fluid. Along with time, the word "fluid" turned to water. But the water is in fruits, vegetables, coffee and other liquids, count.
Myth: Fingernails and hair will grow after death.
Fact: Most of the doctors at first believed this. But after they think about it further, it is not possible. What happens is as follows. "As dry skin, soft tissue, especially skin, experiencing pengkerutan '. Vreeman says. "The nails appear much more prominent as the skin dries. The same thing happened with the hair, but not too obvious. When the skin shrinks into, hair looks more visible on the surface of the skin. "
Myth: The hair is shaved grow faster, darker, and more.
Fact: In 1928 clinical trials have compared the growth of hair on the scalp is not shaved and shorn. The hair which replaced the shaved hair was no darker or thicker, and faster growth. More recent studies have confirmed this. This is what happened. When the hair began to grow after being shaved, it grows with a blunt tip, explained Carroll and Vreeman. Over time, the blunt edge becomes dull, so the hair look thicker. The new hair growth can be darker too, because he has not been bleached by the sun.
Myth: Reading in dim light ruins your eyesight
Fact: The researchers found no evidence that reading in dim light causes permanent eye damage. It can cause eye strain and temporarily decreased acuity of vision, which will soon recover.
Myth: Eating turkey makes you drowsy
Fact: Even Carroll and Vreeman believed this one until they researched it. Studied, there was substance tryptophan in turkey that causes drowsiness. But turkey does not contain any more of it than chicken or beef. This myth is fueled by the fact that turkey is often eaten as 'colossal' along with other dishes during the holidays, often with alcohol. Two things that can cause drowsiness.
Myth: Mobile phones are dangerous in hospitals
Fact: No known cases of death associated with this. The case of interference with hospital devices are usually not serious, according to research findings. In one case, mobile phones were found to interfere with 4 percent of the instruments, but only when the phone was within 1 meter of the instrument. More recent studies, this year, found no interference in 300 tests in 75 treatment rooms. "When we discuss this study, doctors did not seem to believe that the phone does not menggagu instruments. 'So says Vreeman. "But after we explained the medical evidence, they finally believe that such belief is not right."
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