If you want to conquer the anxiety of life, live in the moment. Simple as that. Thinking about the past usually brings mostly feelings of guilt & regret, thinking about the future brings uncertainty, fear and anxiety. Both realities leave us little room to maneuver in order to be content.

Any medical or physiological textbook, which discusses breath control in the human body, states that respiration, in healthy people, is mainly controlled by CO2 concentrations in the brain and arterial blood.