â??Drink your weight in water,â?* â??stay away from the fridge after 6 p.m.,â?* â??count your calories!â?*â??theyâ??re just some of the most hackneyed weight loss tips weâ??ve heard over and over again. And according to a new study published by JAMA, the latter piece of advice may be the stalest of them all. The yearlong study sought out to test the effectiveness of a healthy low-fat diet versus a healthy low-carbohydrate diet on weight loss, and whether participantsâ?? ...