Pranayama

The number that matters is six breaths per minute, not which exotic technique you picked.

Also called Yogic Breathing, Yogic Breath Regulation, Breath Control, Prāṇāyāma, Pranayam

Who it's forAny man with creeping blood pressure who won't sit still for meditation.

The item

Three squares: proven in human trials. Two: a strong signal. One: early human data. Striped: the trials disagree.

Emergency: call 911.

I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.