The origins of yoga date back to pre-Vedic Indian traditions, it is mentioned in the Rigveda, but most likely developed around the sixth and fifth centuries BCE, in ancient India's ascetic and śramaṇa movements. The chronology of earliest texts describing yoga-practices is varyingly credited to Hindu Upanishads. Hatha yoga texts emerged around the 11th century with origins in tantra.
In this age of smart phones, laptops, stress and busy life, Yogic practice make a great help to the people. Physical and mental therapy is one of the yoga’s most important achievements , it works on the wholistic principle of harmony and unification. Yoga has succeeded as an alternative form of therapy in diseases such as asthma, diabetes, blood pressure, arthritis, digestive disorders and other ailments of chronic snd constitutional nature where modern science has not yogic practice is also very effective in cases of HIV. Yogic therapy is success because it helps to create a balance between nervous and endocrine system which directly influences others system and organ. For most of the people, yoga is simply a means of maintaining health and wellbeing in an increasingly stressful society. The underlying principles of yoga provide a real tool to combat social malaise. Yoga is far from simply being physical exercise, rather, it is an aid to establishing a new way of life which embraces both inner and outer realities. This way of life is an experience which cannot be understood intellectually and will only become living knowledge through.
Yoga is the science of right timing it has to be incorporated in daily life. Yoga is a means of balancing and harmonizing the body-mind and emotions. This is done throught the practice of asana, pranayama, mudra, bandha, shatkarma and meditation. The word yoga means unity or oneness. The unity is the union of the individual consciousness with the universal consciousness.
Yoga aims at bringing the different bodily functions into perfect coordination so that they work for the good of the whole body. Though the practice of yoga, awareness develops of the interrelation between the emotional, mental and physical levels. From the physical body, yoga moves onto the mental and emotional levels. Many people suffering from phobias and neuroses as a result of the stresses of everyday life. Yoga has been proven method for coping it.