Water makes up 60% of our body weight. It's an essential component to our survival.
Our bodies are constantly losing water through sweat, urine, and other functions. That's why we need to constantly replenish it.
Dehydration is actually a pretty serious problem. That's because without water, your body can't engage in the vital life support functions.
This handy chart will give you an idea of how much you need to drink each day. It's based on how much you weigh.