Many common medical beliefs are untrue

Should we drink at least eight glasses of water a day? Does shaving hair cause it to grow back faster or coarser? Does reading in dim light ruin your eyesight?

If you want to include this story in your blog, copy and paste this formatted text:

<p><a href="http://www.physorg.com/news117461398.html">Many common medical beliefs are untrue</a></p> <p>Should we drink at least eight glasses of water a day? Does shaving hair cause it to grow back faster or coarser? Does reading in dim light ruin your eyesight?</p>