For years, people claimed coffee dehydrates you because caffeine is a mild diuretic. Total baloney. Multiple studies show that moderate coffee or tea consumption hydrates you just as well as water. So that quadruple espresso you had this morning? It’s practically a salad. (Okay, maybe not a salad, but it’s not draining your life force either.) Just skip the sugar-laden energy drinks—those are basically liquid Halloween candy.
Hydration 101: How Much Water Should You Drink Each Day?
The Cold, Hard Truth About “Ice Cold” Hype
You’ve heard that drinking cold water burns more calories because your body warms it up? Technically true, but the effect is laughably tiny—like, one extra calorie per glass. That’s the metabolic equivalent of blinking rapidly for a minute. Drink whatever temperature you like; it’s not going to shrink your waistline. Also, ice-cold water can actually slow digestion for some people, so if your stomach grumbles after a big gulp, switch to room temperature.
