By Dr. Mercola The vast majority of doctors, dietitians, and personal trainers believe that when you burn fat during exercise, that fat is being used up as fuel for energy or heat. Some believe it’s excreted through urine or feces, while others think the fat is turned into muscle. All of these ideas are to some degree incorrect, according to Ruben Meerman, a physicist, and Andrew Brown, a biochemist specializing in lipids, who say there’s “surprising ignorance and confusion about the metabolic process of weight loss.” When You Lose Weight, Where Does the Fat Go? Their calculations, showing where the … Continue reading →