Although you might have mastered the fundamentals decades ago, a little retraining can correct some harmful habits.

Walking comes so naturally to us that it is regularly prescribed without a second thought. For example, the Department of Health and Human Services exercise guidelines published in October 2008 advise all adults, regardless of age and health status, to strive to walk vigorously for a total of at least two and a half hours a week. Yet nowhere do the guidelines suggest how to walk.

Nor would we expect them to. For healthy adults, walking is so automatic that it's impossible to ...

Aggressive — and frequently unnecessary — treatment of the temporomandibular joint has been replaced by caution in diagnosis and care.

In the 1970s and '80s, many people were told that their jaw ached because of a problem with their temporomandibular joint (TMJ), the hinge-like connection on either side of the head that allows the lower jawbone to move up and down. Physicians and dentists believed that the joint needed to be fixed to get rid of the pain — and, furthermore, that a bad bite (the medical term is malocclusion) was often the reason the joint didn't work properly, in ...

Surgery brings faster relief, but if you can wait it out, nonsurgical treatment may be just as effective over the long run.

Sciatica is a medical term that seems a little old-fashioned, like lumbago or the grippe. For many of us, it conjures up childhood memories of elderly relatives wincing and talking about their "sciatica acting up." We knew it had something to do with the back, although we weren't quite sure what.

But sciatica (pronounced sigh-AT-eh-ka), both as a term and a condition, is still very much with us. The hallmarks are pain and numbness that radiates down the ...

I read about statins having anti-inflammatory effects and lowering CRP levels. So why are we now being told that some people need to take two anti-inflammatories - aspirin and a statin?

I have been taking capsules containing hyaluronic acid for my knees. Is there any downside to this medication?