summary:
Drinking water before eating a meals can help to lose weight because water contain non calories and when drinking it makes fell be satisfied. while drank two cups of water before eating meal between about 75-90 fewer calories during that meal. besides, diet drinks and other drinks have sweeteners maybe help reduce their calories and lose weight. however, drinking water too much can lead to serious health problems.
so,shouldn't drinks sweetened with sugar, because there is higher calories.