June 21 is designated International Yoga Day by the United Nations. India celebrates International Yoga Day with 35,000 children and adults doing Yoga in central Delhi. Narendra Modi leads the effort to promote yoga for fitness and health. Yoga research centers are being established to improve health and treat diseases such as diabetes alongside modern medicine. Yoga day practice sessions of yoga were organized throughout India, with the participation of millions of people. Yoga Day activities in Paris, France, included a outdoor yoga session below the Eiffel Tower. In his address to the UN General Assembly on September 27, 2014, Narendra Modi said about yoga: "yoga is not about exercize, but to discover the oneness with oneself, the world and nature." It is part of a 5000 year old tradition from ancient India that promotes meditation, spiritual development and health. This ancient tradition is gradually being revived and is useful in India, China, the Middle East, the U.S. and other countries that see the spread of obesity, diabetes and other health problems. It helps improve spiritual concentration of mind, and increases the body's vital energies....