A two-hour weekly Hatha yoga class that combines poses with meditation and discussion may help people who suffer from fibromyalgia and chronic pain, such as arthritis. A study found that the weekly practice reduce pain, fatigue, and stiffness by 30 percent in half of the women who participated. Researchers say that the results will need to be studied more, since the companionship of the weekly sessions may have spurred a placebo-like effect on some participants, but they do point out that a...