Practice of pranayama has been reported to be beneficial in treating a range of stress related disorders, improving autonomic functions, relieving symptoms of asthma, stammering and reducing signs of oxidative stress. Pranayama techniques are also effective for depression cure. Practice of Pranayama develops a steady mind, strong will-power and sound judgement. In addition, regular pranayama helps extends life and enhance perception.
In old age, the respiratory function decreases due to the contraction of the air cells of the lungs, due to which intake of oxygen is reduced. It helps to normalize their size and make the red blood cells circulate in all parts of the body. This can delay the ageing process.
But there is a word of caution: pranayama should be learnt under expert guidance and after consultation from your physician.