Benefits of Drinking Water on an Empty Stomach: What Science Really Says March 9, 2026 by Youssef ADVERTISEMENT Even mild dehydration can impair concentration and short-term memory. Rehydrating in the morning helps your brain function at its best. 6. Supports Healthy Skin Hydrated skin looks plumper and healthier. While drinking water won’t erase wrinkles, it does support overall skin health. What Drinking Water on an Empty Stomach Doesn’t Do ❌ It Doesn’t “Detoxify” Your Body ←PreviousNext→