The best gift you can give to your knees (not to mention your heart and your pants): Dropping weight. Being overweight or obese - or as we call it, waisted - exponentially increases the risk factors associated with a host of diseases and conditions, including joint pain. Having extra weight on board leads your cartilage to break down faster, even in the fingers (which don't bear the burden of carrying the pounds). Why? Because fat is hormonally active and stimulates inflammation which affects all of your joints.
The second best gift: Being careful about playing high-impact sports. People who have knee injuries have five times greater chance of developing knee arthritis sometime in their lives than those who don't. High-intensity or high-impact sports - like high-intensity aerobics, aggressive skiing, basketball - increase the risk and damage associated with osteoarthritis.
Find out more about this book:You: Being Beautiful - The Owner's Manual to Inner and Outer Beauty