You've probably all heard by now that you're supposed to drink half your body weight a day in water. You might've heard this referred to as the "8 by 8 Rule," meaning you should aim to consume eight 8oz glasses (64 ounces) of water per day. But, do you know why? And, more importantly, do you actually drink all that water? I'm by no means an expert on the physiological benefits of being adequately hydrated, but here's the limited amount I do know. Firstly, it's important to kn