Studies into vitamin D have produced mixed results. Take the VITAL trial that saw reductions in cancer deaths and autoimmune diseases with vitamin D up to 40% in some people, and minimal results in others. Now we know why: it’s not a one-size-fits-all vitamin.

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?

There’s big money to be made in shiny new drugs. And the pharmaceutical giants are banking on your help, especially since the majority of advertised drugs have been found not to measure up to older, cheaper existing ones…

However you do it, exercise is on top of any experts advice for keeping a body healthy and fit. But what if you’re having a hard time giving it your all? No worries. This veggie can help you eat your way to more muscle power…

As part of the brain’s reward system, the hormone dopamine contributes to feelings of pleasure, happiness and motivation. Low levels do just the opposite and may indicate serious neurological conditions. Here’s your mind and body on dopamine…

Mitochondria are tiny organelles that power our cells. Convention says they begin to slow down and kick off aging. But some ramp up, then burn out, taking your energy with them. Scientists have an answer that seems counterintuitive, but they say works…

You go to the doctor for your yearly check-up and say to him, “Doc, I want a pill that will make me stronger, smarter, healthier, disease proof, age-proof, thinner and with great skin and strong bones. Got anything like that?” In a perfect world, the doctor would say, “Yes, I do. It’s called vitamin D.” Here’s why…

As someone who sits at her desk all day long, I’m a prime candidate for diabetes, heart disease and dementia. Obviously, my work day leaves only minutes to spare. But to lower blood pressure and blood sugar, that’s literally all I need…

In the supermarket aisle that holds diet foods, you’ll find bars, shakes and an array of other processed foods that are supposed to help you lose weight. But there’s a superfood great for aiding your healthy weight efforts you’ll never find in that part of the store…

You can’t pick up a product these days without finding not only instructions on how to use it, but warnings on how not to, usually because one person did something most people with common sense wouldn’t dream of. Let’s talk about vitamin D and that guy…

Some dark chocolate brands, even organic ones, have been found to contain dangerous amounts of cadmium and lead, heavy metals linked to hypertension, kidney failure, nerve damage and more. Take precautions if your favorite is on the list.

Being kind to others feels good. But the benefits extend even further than that. Science shows acts of kindness have real effects that impact physical health, from depression to heart health. Check out these 5 you can get more of…