Role of Yoga is Immune System

1. Vajrasana

Vajrasana promotes flow of energy upwards from below and strengthens the body. It is a simple meditative posture. It strengthens the knees, calves and thighs and cures chronic aliments of the knee-joints. Vatha, hence, can be controlled. As it aids digestion, pitha is benefited. Vajarasana can be done even immediately after food, to get relief from heaviness in the stomach. The stability of this posture helps to maintain the kapa dosha.

2. Bhujangasana

Bhujanga means a serpent. It is one of the classic poses of yoga as it rectifies all the pitha, vatha and kapa doshas. The beauty of the asana is that it can be performed by anyone, irrespective of age. This asana makes the spine - which is the seat of vitality, youthfulness and health - more supple and virile. The spinal region, especially dorsal and vertebral muscles, is toned by this asana. The flow of blood to the lumbar region stimulates the Pelvic portion of the vagus nerve. In addition, this asana normalises the activity of thyroid. It also tones up adrenaline gland and its harmone, the source of energy. 

Bhujangasana helps to produce cortisal, which is essential to comfort certain types of rheumatism. Vatha dosha is therefore kept in balance. As Bhujanagasana is practised, the abdomen is alternately compressed and stretched. This promotes the digestive activity and fights constipation as well as other related ailments of intestines. The liver, gall balder, spleen and pancreas are stimulated by the gentle and deep massage. The blood circulation in the kidneys is normalised by increase intra-abdominal pressure created by the asana. As a result, the kidneys get more supply of blood than before and the diuretic activity is promoted. This helps to maintain the balance of pitha and vatha. This asana expands the chest, thereby increasing the in take of fresh air. As a result, the imbalance in kapa is reduced. 

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