If you ate too much salt, drink water and eat potassium-rich foods to rebalance fluids fast. Get moving—sweating helps flush out excess sodium and reduce water retention. Focus on long-term habits ...

We all know the tip: "Drink 8 cups of water a day." But how did they pick that number? Is it the best rule to stay well, or just an easy tip that people have said over and over for years? The real ...