How great is deep breathing?

From path2healthyliving.com:

• Recent studies show fast breathing rate is linked to high blood pressure
• Studies have shown deep breathing benefits asthma sufferers.
• Deep breathing reduces stress-if you are stressed, you breath in short, shallow bursts-To relax you do the opposite - breathing deeply
• Deep breathing releases endorphins-the bodies own painkillers, into the system. This can help relieve headaches, sleeplessness, backaches and other stress related aches and pains.
• Deep breathing helps to clear and focus the mind
• Deep breathing strengthens weak abdominal and intestinal muscles

   

I thought about doing my deep breathing this morning--I even had time, also, before I had to leave to catch my bus. Will I remember tonight? That remains to be seen.