"Bronchial spasms" refers to a condition where the muscles surrounding the airways in our lungs tighten suddenly, leading to difficulty in breathing and a feeling of tightness in the chest. Full definition
There's certainly, you can imagine at the end of a long time, you're under extreme stress and you're breathing really, really hard and that can cause some kind of bronchial spasm or something, for all I know. (blog.bulletproof.com)
The herb also contains compounds called ginkgolides, which help reduce allergies, asthma, and inflammation by blocking a protein that provokes asthmatic bronchial spasms. (herbazest.com)
Thyme tames bronchial spasms, breaks up congestion and alleviates coughs. (naturalhealthezine.com)