(...) One indication of yoga’s spiritual nature is the way it affects practitioners over time. The International Journal of Yoga published the results of a national survey in Australia. Physical postures (asana) comprised about 60% of the yoga they practiced; 40% was relaxation (savasana), breathing techniques (pranayama), meditation, and instruction. The survey showed very significant results: although most respondents commonly began yoga for reasons of physical health, they usually continued it for reasons of spirituality. In addition, the more people practiced yoga, the more likely they were to decrease their adherence to Christianity and the more likely they were to adhere to non-religious spirituality and Buddhism.
In other words, whatever their intentions may have been, many
people experience yoga as a gateway to a spirituality disconnected
from Christ. (...)