Hatha yoga is an ancient hindu system of working with the human nervous system. Because it releases tension and endows one with renewed energy, far too many 20th century people, yoga teachers included, have come to look upon the venerable Indian physical science as solely an exercise for health and vitality of mind and body. It is that, but it is also much more. Hatha yoga practices are more spiritual than physical, more subtle than gross, more a means of understanding than a…

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