I have been conducting Yoga and Meditation (Life Energy Functions) Classes for over a decade.
Circling of +ve & -ve energies in Human body
Entering in Etheric body
Immunity ( Natural Theosophy )
Meditative Catharsis (Body, Mind & Emotions)
Anti-Aging ( Breathing methods )
DNA Activation (Om Sound vibrations)
The fundamental concept of Yoga exercises is that the mind as well as the physical body is one. Based on yoga exercises concept, it is the versatility of the vertebral column (backbone), not the number of years which establishes someone's age.