Article from NIH. Studies have found that taking probiotics—harmless microbes similar to those found in the human gut—may improve gut function and other aspects of human health. Probiotics might also help to prevent sepsis, but early results have been mixed.

Article from National Institutes of Health. Want the secret to living a longer and healthier life? Scientists have found ways to prolong the healthy lifespans of worms, mice, and even monkeys. Their work has revealed exciting new clues about the biology of aging. But solid evidence still shows that the best way to boost the chance of living a long and active life is to follow the advice you likely heard from your parents: eat well, exercise regularly, get plenty of sleep, and stay away from bad habits.