The recommendation to drink six to eight glasses of water daily to prevent dehydration is a “thoroughly debunked nonsense”, says an expert. There is currently no clear evidence of benefit from drinking increased amounts of water, according to Margaret McCartney, medical expert with the National Health Service (NHS), yet the “we-don’t-drink-enough-water” myth has endless advocates. The NHS Choices website states: “Try to drink about six to eight … full story