Health sciences: But just what IS a medical myth?

Sugar: Current villain in human mortality

From Robin Nixon, Elizabeth Peterson and Karen Rowan (October 2016) at LiveScience:

25 Medical Myths that Just Won’t Go Away

Despite what you may have heard, drinking eight glasses of water a day isn’t the key to good health. Also, neglecting to wear a coat on a cold day won’t make you sick. And — you might want to sit down for this — pregnancy doesn’t last nine months.

Health-related myths are often repeated as fact, even though any diligent Google search will reveal the truth behind these fallacies. Here are 26 of the most common medical myths, debunked.More.

Hmmm. Some women distinctly recall pregnancy lasting a year and a half.