Description: Fine needles are inserted into the body at various points along the body's energy channels, or meridians.
Effectiveness: The National Institutes of Health (NIH) says it's a "promising" treatment for dental pain and nausea from chemo. Major studies are looking at whether it helps arthritis and back pain. It doesn't appear to help smokers quit, as was once thought.
Behind the comedy is a woman who's had to muster her courage to get where she is today. Ellen DeGeneres tells Oprah about her balanced life, her loving wife, and how she intends to take her new job as an American Idol judge very seriously.