A new Japanese study suggests that kefir, the probiotic-rich fermented milk drink, may do more than boost gut health — it ...

In this year's blockbuster sci-fi body horror movie, The Substance, Demi Moore plays an aging fitness instructor who will do just about anything, including taking a sketchy substance to clone herself, ...

A dark chocolate compound similar to caffeine called theobromine may have anti-aging properties. Experts share how much to eat without overdoing it.