MYTH: 8 glasses of water a day

NYTimes : I had long believed that eight glasses of plain water a day were important to keep the body hydrated but it turns out that the toilet paper manufacturers were behind this notion. Researchers have been unable to find scientific support for it. The body’s need for liquids can be met in many ways, including drinking coffee, tea and eating fruits and vegetables with a high water content.

For details of this myth and more health related myths read the source article Health 'Facts' you only thought you knew