Normal human breathing at rest should raise the belly, not the chest.

To relax during a particularly stressful moment, take three slow, deep belly breaths to interrupt the fight-or-flight response.

Breathing is at the core of ancient (and currently trendy) mindfulness practices, from yoga and tai chi to meditation.

However, studies suggest that breathing exercises alone, derived from those ancient yoga practices, can be good for the body and mind. 

Breathing is the only autonomic system we can wrest control of.

In the first half of the 20th century, deep breathing began to emerge on its own as a relaxation method.

• Find a comfortable place to sit or lie down. 
• Breathe in through your nose and fill your lungs from the bottom up, first expanding your belly, then your chest, and finally raising the collar bones. 
• Pause. 
• Then gently exhale from top to bottom, using your stomach mus...

Belief in the benefits of controlled breathing goes back centuries.

Central to ancient Hindu philosophy was prana, described as vital “airs” or “energies” flowing through the body. Stemming from that belief, yoga was built on pranayama or breath retention.