Perhaps the parent misspoke, but here are several for asthma https://www.tandfonline.com/doi/abs/10.1080/10473289.1992.10467018 https://www.tandfonline.com/doi

Perhaps the parent misspoke, but here are several for asthma https://www.tandfonline.com/doi/abs/10.1080/10473289.1992.10467018 https://www.tandfonline.com/doi/abs/10.1080/10473289.1992.10... https://academic.oup.com/ije/article/42/6/1724/737113 https://academic.oup.com/ije/article/42/6/1724/737113 https://www.mdpi.com/1660-4601/20/1/75 https://www.mdpi.com/1660-4601/20/1/75