Yoga and meditation helps to live in sync with true nature of honesty, generosity, truthfulness and love thus making the life purposeful, joyful and happy. If given respect to these techniques, they will give the body flexibility, strength and balance.
The asanas are the external medicine of yoga. They work the best with regulated proper diet and life style recommendations. Without these the healing potential of yoga is limited. The body activity reflects the nutrition that body receives.
Pranayama is the internal medicine of yoga. Pranayama brings the prana or vital energy directly into the body and revitalize it. It is the primary form of healing for the body and mind.
Exercise helps in detoxification through sweating, as the toxins are released from the deep inside the tissues to be brought to the surface. Thus the body absorbs the nutrients better when it gets rid of the toxins.