Hi
In a previous post I saw E. Fattah's message about fire breathing. Can I have a precise description? In what is it different from common hyperventilation?
Do you use it for static, dynamic, constant?
Thanks
In a previous post I saw E. Fattah's message about fire breathing. Can I have a precise description? In what is it different from common hyperventilation?
Do you use it for static, dynamic, constant?
Thanks