Return to the source. The science of yoga was developed 5,000 years ago, in India. This ancient art involves a series of physical exercises and breathing techniques designed to rejuvenate every part of the body and calm the mind. Relieve stress and enhance physical and mental well-being in this yoga retreat. Yoga is one of the most comprehensive forms of physical exercise for people of all ages. Yoga postures tone the muscles, calm the nervous system, improve digestion, and enhance physical and mental well-being.