Why do people yawn when they're tired? See if this question can stump Dr. Charlotte Grayson.

Why do your teeth chatter when it's cold? See if this question can stump Dr. Charlotte Grayson.

Find out how trimming down by just a few pounds can take a huge burden off your knees and hips, and prevent achy joints.

Can a warm, sunny day really cheer you up? Weatherman Flip Spiceland shows you why your mood might depend on the weather.

Can you really catch a cold by going outside with a wet head? Dr. Charlotte Grayson answers this germy question.

When you have arthritis, getting dressed can wear you out before your day even begins. Learn how to make getting dressed easier on your joints.

Having arthritis can contribute to anxiety and depression. Learn how to keep the condition from taking a toll on your emotional well being.

Busting the myth that creative people are “right-brained” and analytical folks are “left-brained.”

A description of how eyes work, what happens to eyes as we age, and how to prevent vision loss.

Ways that exercise can lead to better memory, attention, and executive function in the brain, and lower the risk of certain symptoms or anxiety and depression.