It's good for a soft introduction to the space, in that it informs you of many things you might not have ever heard about... after which you would need to go tr

It's good for a soft introduction to the space, in that it informs you of many things you might not have ever heard about... after which you would need to go track down the references and expand on any particular sub-topic which seems more relevant to you. I recommend it to many people as a way of demonstrating that "hey, a few simple breathing tweaks might be really helpful".