Deep Breathing for fitness "Fiction or Fact"

[Looneyas]

I was wondering if deep breating exercises would help in fitness at all.

 

and im talking breathing till u cant fill ya lungs no more.

[newbalance]

have you tried it? if you have, did it help?

[Looneyas]

I am trying it now a few minutes a day. Does it work u ask , no idea as im combining my fitness routines as well so i cant realy judge if it working or not.