The translation for Halasana is “The Plough Posture”.
Metaphorically, Halasana represents for the yoghis the plough that purifies the mental level of their being.

Halasana is one of the major postures that imply a flexion of the spine towards the front.

This asana acts directly on the spine, which regains its health, strength and elasticity.
Prevents the vertebras from premature ossification.
Cures different forms of mialgia, lumbago, neuralgia, and dislocations.
It beneficially influences the whole vegetative life through its influence on the sympathetic ganglions.
It regenerates and revitalizes owing to the resonance with the telluric energies.
If tired, perform it at night for 2-3 minutes and you will see the magic effects for yourselves!
The muscles in the back are strained/contracted, relaxed and then stretched, which brings an additional quantity of blood in the trunk.
The dynamic phase of Halasana strengthens the abdominal muscles, and also the thighs.
During the actual practice, the thyroid is pressed and thus it also benefits of an enhanced blood flow. By regularizing the thyroidal function, the metabolism is controlled and thus you may control your weight.
Because of the reversed position, the head benefits of an enhanced blood flow. It is even possible that the areas without hair get it back.
Your face will be brighter, owing to the same enhanced blood flow oriented towards it.
The position of the body in the final phase of this asana ensures the massage of the kidney, spleen, and pancreas, which results in their decongestion and stimulation.
Pelvic pain due to uterus mobility is relieved through the practice of Halasana, which also eliminates the unpleasant bodily odors, makes the waist thinner and eliminates obesity.

The constant practice of this asana, doubled by a proper mental focus during its practice may decrease the insulin levels in your organism, in certain cases it is possible even their coming back to normal.