As per this author, who is a citizen of US and returned to India. Drastic change in life and career came about after personally witnessing the healing power of body, mind and spirit through the sincere practice of Kriyayoga meditation, this is an alternative way of healing the body.
Here is a link that is worthwhile to read for those who do not trust alternative. The situation in current modern world is that System is churning out so called experts but those experts who think that 6 to 8 years of study makes them expert but ask them what is the exact ingredients in a capsule prescribed by them, they hardly know, how then can they know the side effects which does not leave evidence.
http://www.kriyayoga-yogisatyam.org/Articles/Shantanand1.pdf
