Why do my knees and knuckles crack? See if this question can stump Dr. Charlotte Grayson.

When you’ve got sore knees or an achy back, pills aren’t the only way to ease your pain. Learn about gels, creams, sprays, and patches that can send relief right where it hurts.

Thunderstorms create a majestic show of sound and light - and misery for people with asthma. Weatherman Flip Spiceland explains how storms can steal your breath away.

High humidity can do more than make you sweat. Weatherman Flip Spiceland shows you why a muggy day can be hard on your heart.

Why do we hiccup? See if this question can stump Dr. Charlotte Grayson.

When you hear thunder, do you know what to do? Weatherman Flip Spiceland shows you the safest places to go when lightning strikes.

Why do your ears pop when you're up high? Dr. Charlotte Grayson answers that question and tells you how to keep it from happening.

Wearing the wrong shoes can increase arthritis pain not only in your feet but also your hips and knees. Find out which footwear to choose and which to avoid.

Why is it that someone else can tickle you, but you can't tickle yourself? See if this question can stump Dr. Charlotte Grayson.