Study and interpretation of 7 medical misunderstandings

need 8 glasses of water a day
,leg hair is scraped more thick
,reading in dim light damagevision..American scholars believe that,these claims have no scientific basisA study published in the latest issue of the British Medical Journal lists seven widely believed medical misperceptionsThe, written by two researchers,Alan Carroll, an assistant professor at the Regenstreff Institute in the United States, and Rachel Willeman, a researcher at Indiana University School of MedicineThe medical misunderstandings listed in the report are widely believed to, butthere is a lack of scientific theory They include: "drink eight glasses of water a day." There is no scientific evidence that 8 cups of water is the best drinking water of the day " Reading in dim light damages vision ." Ophthalmologists believe that reading in dim light will not cause permanent damage to vision, but will let people in a short period of time to squint their eyes to see things , frequent blinks and concentration of mental difficulties " Regular lysis on leg hair will make the hair grow faster and thicker" Scraping leg hair does not change the growth rate and thickness of the hair The newly grown hair after the scraping looks thicker because it lacks a thinner part of the tail " Eating turkey makes you drowsy." There is indeed tryptophan in turkey that is associated with sleep and mood control But it's no higher than chicken and beef Because turkeys are generally the main course of A Christmas or Thanksgiving dinner, the real cause of sleepiness should be overeating " We only use 10% of the brain." This statement dates back to 1907 But brain scans showed that there was no "silent" or completely inactive part of the brain " After death, hair and nails can continue to grow." The source of this claim may be a horror novel In fact, it's because after death the skin dries , shrinks , and hair and nails look longer " Use mobile phones to interfere with medical equipment in hospital ." Research shows that , cell phone signals have little interference with medical devices