I don't know what to do," she told her 49K followers on Monday, speculating that she might have gotten "water poisoning" from the challenge. "I don't want to go back to day 1. I cannot drink ...

Published in Nature Metabolism, a new study explored the impact of going for extended periods without food during a 7-day water fast and reported several health benefits that go beyond weight loss.

As it says on the tin, the ‘challenge’ is to drink a gallon (4.5 litres) of water every day for 30 days. People claim that it makes their skin glow, their energy levels rise and rids them of ...