5 Science-Backed <br />Hangover Cures Hair of the dog or a big,<br />greasy breakfast? Here are<br />5 scientific cures for hangovers. 1. An herbal extract called Dihydromyricetin, <br />or DHM, is used as a hangover treatment in <br />China, Korea and Japan. 2. Cysteine, an amino acid found in eggs, dairy, meat<br />and oats, can help decrease hangover symptoms. 3. Electrolytes like sodium, potassium<br />and magnesium can relieve headaches,<br />fatigue and muscle pain. 4. Drinking water can help stave off<br />the dehydration that worsens hangovers. 5. Exercise can generate feel-good<br />endorphins, but be careful not to overdo it.