Yoga is a psycho-somatic-spiritual discipline aimed at achieving harmony between mind, body and spirit, not only among themselves but also with the environment. Yoga, meaning “union”, aims to develop unity, unison or harmony between individual consciousness and universal consciousness. “Prana” refers to “vital energy” and “pranayama” means the expansion and control of “vital forces”. It is believed that every movement of the body and breathing changes the movement of thoughts and mind. Pranayama is an art of controlled breathing, which makes breathing natural (abdominal or diaphragmatic type) and rhythmic (slow and deep) which slowly calms the mind. Say no to plagiarism. Get a tailor-made essay on “Why violent video games should not be banned”? Get the original essay Breathing is a unique visceral process. It is primarily under voluntary control, free from autonomic control, but affects the autonomic nervous system from second to second. Fluctuations in autonomic tone during different phases of respiration result in phasic changes in the rate of sinus discharge in the heart. During inspiration, parasympathetic tone decreases and heart rate increases, and during expiration, heart rate decreases with an increase in parasympathetic tone. Pranayama practices use the capacity for voluntary regulation of breathing to create "voluntary" fluctuations in autonomic tone leading to the reestablishment of parasympathetic dominance, the maintenance of autonomic balance leading to de-stress, deep relaxation, increased attention and memory. Kapalabhati (KB) involves forceful exhalation and effortless inhalation. During forced exhalation, an increase in O2 and a reduction in CO2 in the blood revitalizes and activates brain cells concerned with memory and other intellectual functions. In addition, the air passages open, the sinuses are ventilated and the risk of respiratory tract infections (sinusitis, etc.) is thus reduced. It also stimulates the abdominal organs and improves autonomic balance. Since “Yoga” is popularized as a therapeutic tool for various diseases, it therefore becomes very important to know whether there is objective evidence of the progress made by “Yoga”, and if so, can it be reflected in terms of reproducible variables. Yoga practices have been found to improve the practitioner's academic performance by reducing mental stress. Cardiopulmonary responses were found to be rapidly impaired and simple problem solving was improved within 20 minutes of practicing “Nadi-shodhana Pranayama”. Cognition is the mental act of acquiring knowledge and understanding through thought, experience, and sensation. Integrated yoga practice has been shown to improve the verbal comprehension ability of mentally impaired people. A sequential practice of specific ujjayi, bhastrika and Sudarshan Kriya pranayamas relieves anxiety, depression, stress and stress-related medical illnesses. It promotes the elimination of CO2 through the lungs, which “calms” the respiratory centers. It probably also invigorates the entire brain and awakens the sleeping centers responsible for subtle perception, and thus signifies the meaning of “Kapalabhati”, i.e. “Shining Skull”. However, Frostell et al. By studying three highly trained yogis practicing intense KB, we observed that blood oxygen and carbon dioxide tension remained normal. It has also been reported that breathing.