Yoga is a known stress buster, but it is also one of the most effective exercises for fighting stubborn fat deposits, especially those arising after 40 years. Yes, you can use yoga for weight loss. The reason: Studies show that yoga lowers levels of stress hormones and increases insulin sensitivity-a signal to your body to burn food as fuel instead of storing it as fat. The following yoga poses for weight loss will do just that, while reaffirming the arms, legs, buttocks and abs. Start now to see weight loss results in just