Sometimes even doctors are duped, say Rachel C Vreeman and Aaron E Carroll
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.
We used Medline and Google to search for evidence to support or refute each of these claims. Because "proving a negative" can be challenging, we noted instances in which there was no evidence to support the claim.
clipped from: www.bmj.com