BMJ goes myth-busting

The British Medical Journal recently did some serious myth-busting (see part one and part two). Apparently, all of the following are myths:

  • Sugar causes hyperactivity in children
  • Suicides increase over the holidays
  • Poinsettia is toxic
  • Not wearing a hat causes excess heat loss
  • Eating late in the day makes you fat
  • You can cure a hangover
  • People should drink at least eight glasses of water a day
  • We use only 10% of our brains
  • Hair and fingernails continue to grow after death
  • Shaving hair causes it to grow back faster, darker, or coarser
  • Reading in dim light ruins your eyesight
  • Eating turkey makes people especially drowsy
  • Mobile phones create considerable electromagnetic interference in hospitals.


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