How much water to drink to stay in shape?

The rule is to drink 2 litres of water a day, corresponding to 8 full glasses.

It is recommended to drink in small sips: the smaller the sip, the more the body benefits, because it allows the water to flow slowly to each cell and hydrate it effectively and constantly. In addition, drinking gradually regulates the metabolic processes. 

Discover all the tips for better water intake