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. 

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 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.

It involves filling the lungs to the max and goes by various names like belly or diaphragmatic breathing.

It has been linked to improved cognitive performance, lower stress levels, and lower blood pressure.

• 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...