“Studies have shown that a unique mushroom (Cordyceps Sinensis) can improve lung function, exercise ability, life quality, and arterial partial pressure of oxygen.”/h3>
(from an article by Mao, 2019 *)
Mu W., Song, Y. L. Cordyceps sinensis for chronic obstructive pulmonary disease: a systematic review. Chinese Journal of Evidence Based Medicine. 2013, 11 1373-1381.