Prevents belly pain + boosts energy

The stress of juggling daily busyness with vacation and party planning doubles the risk of stomachaches, says gastroenterologist Steven Brown, M.D. To cut symptoms by 55%—and reduce your risk of future pain flares by 70%—soak up 15 minutes of sunshine daily. British scientists say UV light exposure triggers the release of painkilling serotonin in your GI tract. Bonus: Daily sun exposure ups the production of fatigue-fighting beta brain waves, so you feel 70% more energized.