Hello author, I believe the powerful expectorate action of Leo Balm can help with asthma, bronchitis, Chronic obstructive pulmonary disease i.e https://www.startstemcells.com/COPD-treatment.html and influenza. Chronic obstructive pulmonary disease (COPD) is a common lung disease. Having COPD makes it hard to breathe. Smoking is the main cause of COPD. The more a person smokes, the more likely that person will develop COPD. But some people smoke for years and never get COPD.