Easy key to extra energy

'Tis the season to feel merry and bright! But if you're frazzled and fatigued, cold-weather dehydration could be to blame. Findings in the journal Medicine & Science in Sports & Exercise reveal the bloodvessel constriction that occurs in winter lowers our thirst response by 40%. And while the dehydration that results can trigger tiredness, anxiety and foggy thinking, you don't have to live with the drain. To stay hydrated and enjoy the holidays to the fullest, just...

- Melissa Gotthardt

Start your day with dairy

Love drinking a glass of milk or sipping a milk-based smoothie in the morning? Good for you! In a British study, skim and whole milk proved better at boosting hydration than water or a sports drink. Researchers explain the lactose protein and fat in milk delay stomach emptying, so you stay hydrated for a longer period of time. Plus, the sodium in milk enhances fluid retention. Can't do dairy? Opt for orange juice. In the same study, it enhanced hydration better than plain water did.

Hang your (wet) stockings