The benefits of yoga are pretty immeasurable, as there are so many of them. But here are a few that I have really noticed for myself......

 ·       Improved flexibility
 ·       Feel less stressed
 ·       Better sleep
 ·       More relaxed breathing
 ·       Ease of joints/muscles
 ·       Less back pain
 ·       Feel stronger
 ·       Feel healthier and better
 ·       Feel happier and more compassionate to others
 ·       Higher self esteem
 ·       Lower blood pressure
 ·       Improved immunity
 ·       Feel more grounded and in the moment
 ·       Eat better, feel slimmer and more toned
 ·       Improved bone density
 ·       Better posture and body awareness
 ·       Better balance
 ·       Complements other exercise (I find walking and swimming to work really well with my yoga practice)

This is an article from Yoga Journal, which I think is well worth scanning over – with 38
benefits of yoga.
http://www.yogajournal.com/health/1634?print=1

This is another one worth looking over..
http://life.gaiam.com/article/benefits-yoga