Yoga : Yoga is science of health which harmonizes body and mind and gives spiritual growth. "Personal development as well as well being of society can be achieved by practicing Yog. The word YOG is derived from the root "YUJ" which means merger or union of body and mind. It brings the harmony within.
Healthy life style is inseparable without going for exercises, but exercise like walking, jogging, gym all those are under the category of physical exercise where there is an exertion. Yoga science takes care of physical as well as mental health. Even through it's an ancient science, till today & for thousands of years to come the yoga science will be quite effective in maintaining the physio - psycho health. There by giving the benefits as preventive measure for psycho somatic diseases like Diabetic's, B.P etc
Hath Yoga, a branch of Yogic science help, to strengthen the body, muscle tone, function of the organs & toning the different system in the body like Nervous System, Glandular System even though there are different branches of yogic science like Bhaktiyoga, Rajyoga, Hathyoga but all branches of yoga aims only thing that transform a person from Agony to Bliss, from sufferings to healthy life, from Dukkham (unhappiness) to sukham (happiness).
Any branch of yoga is a path towards harmony between body and mind. It is a communication with the supreme consciousness. It helps to reduce the wandering propensity (chanchaltvam) of mind. It is not controlling the mind but tunings the mind which brings out positive changes. Disease free body or good health is bliss unhealthy body/mind of self or of any other member of society is a cause of constant agory.
Ignorance about the prakruti or body's life force brings about the diseases. If one is not aware how to come out of mental tensions or stress the person will land up with disease like hypertension, ulcer. Also the Food habits plays important role as far as yogic science is considered. Obesity, Diabetic an diseases linked with unhealthy lifestyle and wrong food habits. We continue to live ignorance which is detrimental in order to keep the harmony between body and mind.
Ayurveda : Swasthasya swasthya rakshanam Aaturasya Vyadhi Parimookshanam. The main goal of Ayurved is the promotion, prolongation and maintenance of a healthy and happy human life. It also works toward the prevention and cure of disease. As an holistic healing tradition, Ayurved believes in treating the "Whole” person-body, Mind, Soul, senses and emotions instead of following the "one-disease-one-cure" principle.