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50 Easy Habits That Help You Live Longer, According to Science

Reader's Digest Logo By Tina Donvito of Reader's Digest | Slide 1 of 51: Laughter really might be the best medicine. Science has backed up the old adage, and finds that a sense of humor can even help extend your life. A recent study from Norway found that among more than 53,000 people over a 15-year period, women who rated high for humor on a cognitive questionnaire had a 48 percent lower risk of death from all causes. Researchers think deep laughter might actually be a form of exercise that decreases arterial stiffness, helping your heart. Other studies have shown laughter to improve blood sugar in diabetics and help cancer-fighting NK cells. And of course, laughter is a great stress-buster. Here are more healthy habits that will help you live to 100.

We asked medical experts for the most impactful things you can do right now to live longer—and stay healthy enough to really enjoy your golden years.

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