Then number of scientific research on yoga has been increasing. The medical world is beginning to recognize the benefits of yoga. One of the most important scientific data is the decreasing cortisol which is the stress of hormone, after a yoga practice. A regular yoga practice results in decreasing of stress related issues. Spinal health plays a big part on internal organs coherent function, and preventing diseases from insomnia to obesity. Yoga poses ensure the spine’s flexibility and length. People practicing yoga tend to stay young and dynamic. Yoga is not a religion. Yoga is a practice. It welcomes people from all kinds of religious backgrounds. Everywhere around the world, people from all kinds of religious identities practice yoga comfortably.