Drops your blood pressure - Two studies of people with hypertension, published in the British medical journal The Lancet, compared the effects of Savasana (Corpse Pose) with simply lying on a couch.
Regulates your adrenal glands
Relaxes your system - Yoga encourages you to relax, slow your breath, and focus on the present, shifting the balance from the sympathetic nervous system (or the fight-or-flight response) to the parasympathetic nervous system.
Improves your balance - Regularly practicing yoga increases proprioception (the ability to feel what your body is doing and where it is in space) and improves balance.