This 2-Second Test Can Instantly Tell You If You’re Dehydrated—Especially If You’re Also Exhibiting These Signs
Dehydration is annoyingly good at disguising itself as other problems. Your head hurts, so you blame your screen. You feel wiped out, so you blame your sleep . You stand up and get a little dizzy, and your brain immediately goes somewhere more dramatic: Do I have an iron deficiency? Is my blood sugar low? Am I dying? Sometimes, you just need more fluids. But while it’s easy to assume everyone is walking around at least a little dehydrated, hydration isn’t that simple to measure. The good news is that your body tends to leave clues. There are the obvious ones, like thirst, but plenty of others are easy to miss. There’s also a surprisingly simple physical check you can do using your own skin, and it takes just a few seconds. Before you try it, though, there’s an important catch: It can give you useful information, but it shouldn’t be the only thing you use to decide whether you’re dehydrated. Ahead, Mitchell Rosner, MD, a nephrologist who speciali...