While the secret to eternal youth remains a mystery, the common characteristics of super seniors from around the world just might offer everyone some clues for living longer and stronger.

An itch can drive you absolutely crazy, but there are times when scratching only makes it worse—throwing your body's inflammatory response into high gear.

The sweet stuff is so bad for our health, some experts want it regulated like a drug. Here, hidden signs you're high on sugar—whether you know it or not.