First, pause and take a deep breath. When we breathe in, our lungs fill with oxygen, which is distributed to our red blood cells for transportation throughout our bodies. Our bodies need a lot of ...

Consistent practice of yoga postures and pranayama increases the lung's airflow, air capacity, stamina and efficiency. Back bending postures open the chest, improving both lung and heart functions.

Background: Aircraft cabins are pressurised to maximum effective altitudes of 2440 metres, resulting in significant decline in oxygen saturation in crew and passengers. This effect has not been ...