Your odds of developing non-Hodgkin's lymphoma: about 1 in 50.

But you can reduce your risk by 21 percent if you are a man or by 41 percent if you are a woman by doing a little bit more of something you're probably already doing -- exercising. How much do you need to sweat to see your risk drop? (see below ↓)

 

 

If you're a health nut, munch on almonds with the skin they're in.

The skins give almonds extra heart-protection powers, especially if you take some vitamin E or vitamin C to boot. So what's in the skin? (see below ↓)

 

 

Knees ache? Make a promise to lose 1 pound.

Yes, you heard right. Just 1 pound could mean a lot to your knees. If you are overweight or obese, losing 1 pound feels more like losing 4 pounds to this all-important joint. Here's why. (see below ↓)

 

 

Extra Weight and Your Gait When you carry excess weight, your gait changes to accommodate your size and help you keep your balance. Often, these gait changes involve placing a disproportionate amount of stress on already strained knees. That's why losing weight -- even as little as 1 pound -- helps give your knees a much-needed break. Losing weight can even help reduce your risk of knee osteoarthritis.

What's your risk of knee arthritis? Answer these questions and find out.

More to Lose?
Now, of course, losing more than 1 pound would be even better, if you're carrying a lot of extra weight. Here's a diet plan that really works -- and it's RealAge-approved!

And here's another lifestyle habit that you may want to kick to the curb for the sake of your knees.