National Center for Complementary and Alternative Medicine (NCCAM)

NIH…Turning Discovery Into Health®

Follow NCCAM: Subscribe to our email update Subscribe to the NCCAM RSS feed Follow NCCAM on TwitterRead our disclaimer about external links Follow NCCAM on FacebookRead our disclaimer about external links

Menu

OA_copyIngram-thinkstock.jpg

Illustratoin of a leg at the knee, the joining of the bones is red to imply pain.

© Ingram Publishing/Thinkstock