Tuesday, March 31, 2015

Yoga for stress reduction


Improvement in Antioxidant Status with Yoga
Yoga is known for its beneficial effects on physiologic and psychologic functions. During the last 3 decades, extensive physiologic research have been done on yogic practices. It has been reported that yoga can increase muscular efficiency, endurance time and aerobic capacity, and can reduce perceived exertion after exercise. Yoga is widely used as a stress reliever. Additionally, yoga has a profound effect on the autonomic nervous system (ANS) and may reduce stress levels in individuals
via this effect. Regarding oxidative stress, reports have suggested that yoga can decrease oxidative stress, reduce the malonaldehyde (MDA) level, and increase superoxide dismutase (SOD) and catalase activity.

Various reports regarding aerobic exercise training propose that mainly catalase activity is increased by training  but exercise training is not sufficient to maintain the redox status of the body. There is growing evidence that supports the beneficial effect of yoga on antioxidant enzymes. But reports regarding the role of yoga on glutathione (a major antioxidant tripeptide) level in reducing oxidative stress are scanty. 
ref. THE JOURNAL OF ALTERNATIVE AND COMPLEMENTARY MEDICINE
Volume 13, Number 10, 2007, pp. 1085–1090
© Mary Ann Liebert, Inc.

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