There have been treatments for asthma for at least a thousand years. The ancients used jimson weed to relax the muscles surrounding the large airways in the lungs (these are known as anticholinergic agents for you drug nerds out there).
When epinepherine (epi) was first discovered in 1903, it provided instant relief by relaxing the bronchial tubes in the lungs that tense up during an asthma attack. (The Chinese used the herb Ma-huang, the plant species Ephedra sinica, because it mimicked...
