Breathing is vital to survival. It happens involuntarily and, for most people, it occurs without notice. However, breathing may be voluntarily controlled to relax the body, better one's health, and provide more power to the body when needed.
About breathing: Correct and incorrect breathing patterns.
Importance of proper breathing: Why proper breathing is important.
Deep breathing: What it is and how to do it.
Pattern breathing: Using breathing to add power to blocks and attacks.
Stillness: Achieving more power from stillness.