That whole “eight glasses of eight ounces” thing? It’s not exactly science. It’s more like a friendly guess from the 1940s.
Your body isn’t a cookie cutter. A marathon runner and a couch potato have very different thirst levels. So, that one-size-fits-all rule? It’s about as useful as a chocolate teapot.
Here’s a fun fact: about 20% of your daily water comes from food. Yes, that crunchy apple and that juicy steak are secretly hydrating you.
