The Today show weatherman posted a video showing him using a walker in the hospital, just a day after his second knee replacement surgery Al Roker is feeling strong. The Today show weatherman, 68, ...

Sometimes, arthritis affects only one knee compartment. In these cases, your doctor may recommend a partial knee replacement, in which they will replace only the affected compartment. X-ray scan ...

Do your knees ache when you walk upstairs, hike, or even when you sit or lie down? If they do, you may be thinking about treatment options and wondering if you should get your knees replaced. Knee ...