Dana Cohen, MD

You can blame gluten, lack of exercise, or hormones for a number of our most common maladies, but the truth is, there's often one big, overlooked culprit: dehydration. Humans are 65% water. So when we're dehydrated, our body starts to slowly shut down, causing the headaches, fatigue, joint pain, weight gain, and even some autoimmune disorders that we often attribute...