What works for me is harmonious breathing: https://www.harmoniousbreathing.com/ https://www.harmoniousbreathing.com/ - basically retraining our muscles to enhan

What works for me is harmonious breathing: https://www.harmoniousbreathing.com/ https://www.harmoniousbreathing.com/ - basically retraining our muscles to enhance deeper more complete breathing. It doesn't claim to make miracles, it just makes you feel better.