We learn different pranayams starting with shuddhikriya(kapalbhati ). We learn the theory and practice of different pranayams as per the mind or body health issues.
It is followed by meditation which further reduces the stress. Mind is quietened, healed and strengthened.
Techniques like yognidra, chakra balancing, are practised to change the psyche.
One can get rid of addictions,disturbed sleeping patterns, fears, phobias and so on.