Study showing yoga's effect on 111 gene expressions

"Examining the participants' blood before and after four-hour yoga sessions showed that the yoga practice changed the expression of 111 genes in circulating immune cells. In contrast, music and walking-based relaxation changed the expression of 38 genes.....The results suggest that yoga may as effective, or even more so, than traditional exercise in inducing health benefits through changes on the genetic level, the study's authors note.... Practicing a type of chanting yogic meditation daily for eight weeks was found to lower stress levels by reducing biological mechanisms responsible for increasing the immune system's inflammation response -- and stress is known to spur inflammation." --http://www.huffingtonpost.com/2013/04/24/yoga-immune-system-genetic-_n_3141008.html#slide=2291802