This posture may look like imposing to those who haven't attempted it. Nevertheless, it is an extremely powerful asana. It is called the "king of asanas" because of its overall effect on the whole body. For beginners, it is better to start this in a corner so that you can practice it without the fear of falling down. Ask a friend to help you with this in the beginning.
The headstand increases circulation to the brain, which causes improved brain function (intelligence and memory) and increased vitality and confidence.It improves many ailments, such as nervousness, tension, fatigue, sleeplessness, dullness, fear, poor blood circulation, bad memory, asthma, headaches, constipation, congested throat, liver or spleen, for female disorders, the initial stages of eye and nose troubles, and general lack of energy, vitality or self confidence.
It stimulates four of the most important endocrine glands – the pituitary, the pineal, the thyroid, and the parathyroid glands that are responsible for our very existence, for they keep the body mechanism in good working order.
It promotes hair growth by increasing circulation to the scalp.