Pranayam cannot be recognized for the limited value or benefit, In yogic philosophy, Pranayam has great value for body, hold and control over the breath is known as Pranayam.
Pranayam is an extensive subject, the early yogic literature state, correctly doing Pranayam can heal all diseases, on breathing, we do not have any control over it, breathing controlled by the nervous system and is an automatic process, for conscious control over-breathing, we practice Pranayam.
Pranayam purified the blood so, ease the nervous system, calm the mind ,maintain, stimulate, the nervous, cardiovascular ,endocrine, digestive systems of the body.
due to well purified blood and rich in oxygen