Nama Article 7th May 2014
Source: Srimad Bhagavatham : Its Message for the Modern Man by Swami Shantananda Puri Maharaj
The sustenance, activities, growth, decay, death, etc. of the body are all pre-programmed and pre-determined by the will of the Lord and so a Sadhaka should not concern himself with his body at all.
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji