Here, six of the most common food myths, and the nugget of truth each contains that you can use to your health or weight loss advantage. Food Lies You Shouldn't Believe They run amok online, through e-mail chains and even across generations, making it harder and harder to separate fact from fiction. Drinking water helps you lose weight The nugget of truth: Water may trim meal size Just adding a few glasses to your day isn’t going to melt away fat, but research shows if you drink up before a meal, you may eat less. Scientists at Virginia Polytechnic Institute and State University followed a group of adults on low-calorie diets for 12 weeks; they found that those who had two cups of water before each of their daily meals lost 4.5 more pounds than the non-water drinkers. Filling your stomach with a zero-calorie substance might lead to smaller meals, say scientists; plus, substituting water for soda and juices also helps save calories. Hate the nontaste of plain water? Stick a slice o...