The immune system’s first line of defense is white blood cells that fight infection and disease, including cancer. But some white blood cells support cancer growth. If you’ve got 30 minutes, you can increase the good guys and take down the bad ones…

You might feel fatigued after a long day of activities or a long night of poor sleep. But if daily fatigue is your constant companion, the cause may be a condition that’s zapping your energy or a vitamin deficiency — or both.

Is the caffeine in your cup of coffee harming your heart? The answers have been mixed. On the one hand, it can raise blood pressure. On the other, it reduces risk of heart failure. But what it does for your blood vessels…

Mitochondria are the powerhouses that produce energy within every cell of the body. According to a groundbreaking study, they are also both the causal link to memory loss and the key to reversing it…

If you notice your knee crackling, it could signal osteoarthritis or a build-up of calcium crystals thought to only happen in really old age. Turns out they do structural damage much earlier than thought, especially if your mineral metabolism is off…

There are many misconceptions about menopause. The biggest is that women have no influence over our overall well-being or even how to achieve it. I’m busting that myth and laying out the many choices you have to live your best life…

Bladder betrayal doesn’t discriminate when aging and hormones are involved. But diet? Surprising new findings about what you eat and don’t eat may explain why you run faster to the bathroom than the next person…

There are superfoods, and then there are super foods. I get especially excited when the food in question happens to be fruit. And when it’s one with 1,600 bona fide reasons it supports head-to-toe health, I think you will too…

Fluoride can slow enamel loss and prevent tooth decay, but it can’t stop it. That’s why a discovery about a weird ingredient is so exciting: It can restore tooth enamel to save your smile for years to come…

Why more women than men are diagnosed with Alzheimer’s has been a hot topic of debate. Research points to the role played by female hormones during menopause. But a new study revealed a deficiency that should have nothing to do with hormones…

For years, scientists have been trying to stop age-related macular degeneration. And while there still is no drug cure, supplements like the AREDS formulations can slow progression — but they can’t prevent the onset. That’s where melatonin comes in…

Vision loss is a risk that increases every passing year, thanks to threats like age-related macular degeneration. But it’s one that could be reduced if we got more of one specific eye nutrient. This is the easiest way to do that…