This is the fourth in a series of articles covering common problems and showing you how you can fix these yourself.
Guru Angad Dev ji, Second Guru of the sikhs took keen interest in the sports and the physical training. He had concept that one has to be physically and mentally strong to achieve anything in this world or on the spiritual grounds.
But seriously, what I mean in this context, is the practice of starting with a warm shower, and ending the last few minutes with cool to cold water.