Popcorn and caramel – two widely used e-liquids – contain chemicals that wear down the lungs’ first line of defense, raising the risks of COPD and asthma, the study found.
Two e-cigarette flavors destroy lung function, Harvard study warns
Popcorn and caramel – two widely used e-liquids – contain chemicals that wear down the lungs’ first line of defense, raising the risks of COPD and asthma, the study found.