Relieves Back pain Arthritis Stress Anxiety Depression
Increases Range of motion Bone density Circulation (lymph, water, blood)
Improves Flexibility Muscle tone Digestion Balance Endocrine system
You may start yoga because you want to increase your flexibility, but, as you continue the practice, you find that you have gained many other benefits that you didn't even know were possible.
Check out this article written about 77 benefits of a consistent yoga practice by a group of nurses at: http://www.nursingdegree.net/blog/24/77-surprising-health-benefits-of-yoga/