It's an age-old search: the secret to eternal youth. For centuries, the dream of a single factor that may increase our lifespan has been at the forefront of many legends, excursions, and of course, advertising campaigns. But while this search has been fruitless for the majority of us, there is hope for a future in which we could all live beyond the current life expectancy. The answer, however, may lie not in water, food or lifestyle, but in our relationship with germs.
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