Epigenetics is all about how genes are expressed in the body. We can use this to create a training program based on body structure and epigenetic demands.
I am going to talk about rhabdo from a biological standpoint and how it affects the body. Then you can make an informed decision on whether or not CrossFit is the only sport that causes rhabdo.
Your body is many things: a mechanical device, a walking chemistry set, a sustainable life form, and an ever-changing biological phenomenon. There's a lot to know about the body.