Updated: What Causes Arthritis?

Have you ever thought about how many times you use your hands in a day? Perhaps you’ve pondered which fingers you could do without if you had to get rid of a couple? Maybe you’ve thought about how quickly your body sends signals back and forth so that you can type a blog post, tie your shoe or lift your fork? It’s actually pretty fascinating when you stop and think about it! >> Stay sharp with help from the AARP …

Hip and Knee Implants: Old Ones May Be Better Than New Ones

When it comes to artificial hip and knee joints, new doesn’t necessarily trump old. A five-year Australian study has found that the newer hip and knee replacement joints, including the metal-on-metal hip implants, are performing no better than the older, less expensive devices that used plastic. In fact, 30 percent of the new joints are performing worse than the older versions, researchers found. The study, published in the Journal of Bone and Joint Surgery, looked at Australian patient data on …