You may have heard me say before that I consider water the greatest weight loss drink in the world. Why? Let me count the ways. Water is needed for virtually every metabolic process. It helps flush toxins out of the body. It helps give you energy (even 2% dehydration can negatively impact physical and mental performance). And much of what we perceive as hunger- driving us to overeat- is actually thirst.

For almost a decade I've been recommending that for weight loss, the ideal amount of water to drink on a daily basis can be approximated by taking your current weight and dividing by 2. That's the number of ounces you should aim for. For example, if you're 200 pounds, go for 100 ounces a day. (I was happy to see, recently, that this is exactly the same formula recommended by Deepak Chopra.)

But even though all nutritionists I know recommend drinking plenty of water, we didn't really have a lot of research to back up what most of us "knew" intuitively.

Now we have some!





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