There are many mysteries in science. What is dark matter? Why are we conscious? Are we alone in the universe? But none looms larger in the mind of the average adult than this: why am I so exhausted ...

Most people think of weight loss as a math problem: calories in versus calories out. In reality, your body sees it as a survival threat. When calorie intake falls or body fat decreases, biological ...

It's not exactly a secret that moving our bodies and being physically active is a good thing. Over 2500 years ago, Plato said, "Lack of activity destroys the good condition of every human being, while ...