Most of us only think of our immune systems when we’re worried about getting sick. But it’s tied to many processes in the body and may be a missing link in controlling blood sugar.

Studies show that testosterone levels in men have been declining for decades. If you’re a man between 45 and 65, odds are your T levels don’t measure up to your dad’s. But why? Well, as three specific health conditions rose, T levels tanked, and there’s a definite connection…

It’s no wonder some people living with obesity turn to bariatric surgery. Aside from weight loss, the procedure has far-reaching impacts on other areas of health — including a particularly deadly type of cancer…

Wouldn’t it be great if fighting obesity was as easy as adding one specific food to your diet? Well, according to multiple studies, this may be possible with a food that’s been eaten for thousands of years…

After menopause, fat is the primary source of estrogen. Body mass index may not accurately measure body fat. This matters because body fat is linked to hormone-positive breast cancer, an underestimated deadly cancer risk…

Vitamin D is linked to positive impacts from healthy aging to prevention. Its effect on blood pressure has been inconclusive, however. But new research finds it may be a matter of when and who vitamin D can help the most…