Imagine turning up the switch on a natural substance your body produces to avoid the ailments of aging. Wishful thinking? Not with this amino acid’s potential to suppress weight gain, increase bone mass, muscle strength and endurance, reduce depression, insulin resistance, DNA damage and more…

Digestive troubles are so common, we pay them little mind. But the condition that allows bacterial toxins to leak into the bloodstream causes bigger problems: A cycle of weight gain and the inability to lose weight, by changing how the body metabolizes fat.

It seems unfair that when we hit a certain age, our metabolism slows down, the weight starts to hang on and the risks of dangerous health conditions ramp up. But thanks to a better understanding of the type of fats we carry, your age-related metabolism change could be reversed…

Astrocytes are star-shaped cells in the brain that express receptors for hormones, including ghrelin, which signals hunger, and its counterpart, leptin, which signals fullness. But just 10 days of the wrong foods dismantles that whole system…

We all know that one person who eats just one bite of cake at a birthday party and can open an entire bag of potato chips and really eat just one — while the rest of us struggle to put down the bag. What’s the difference between us and them?

Nothing is more frustrating than seeing numbers on a scale tipping in the wrong direction, no matter how much calorie counting you’ve done. Is it your diet? Hormones? Or the air you breathe? It’s not high in calories, but it’s high in something else science says packs on the pounds…