Carbon dioxide is a waste product that's carried back through your body and exhaled.Improper breathing can upset the oxygen and carbon dioxide exchange and contribute to anxiety, panic attacks, ...
Ujjayi breathing is a technique that allows you to calm your mind by focusing on your breath. The goal is to help you override thoughts that could distract you from your meditative state.
Ujjayi pranayama: Ujjayi, also known as "victorious breath," pairs well with the 4-7-8 breathing technique. In this method, you inhale deeply for four seconds, hold for seven, and exhale for eight.