新的研究表明肥胖改变了气道肌肉的功能，增加了患哮喘的风险。研究表明肥胖的哮喘与气道狭窄而不是与炎症有关。

Obesity alters airway muscle function, increases asthma risk

https://www.sciencedaily.com/releases/2018/09/180913113901.htm

1. Sarah Orfanos, Joseph Jude, Brian Thomas Deeney, Gaoyuan Cao, Deepa Rastogi, Mark van Zee, Ivan Pushkarsky, Hector E Munoz, Robert Damoiseaux, Dino Di Carlo, Reynold Panettieri. Obesity increases airway smooth muscle responses to contractile agonists.. American Journal of Physiology-Lung Cellular and Molecular Physiology, 2018; DOI: 10.1152/ajplung.00459.2017