According to the lead on the study, Jeffrey Kim, D.D.S., Ph.D., the viscosity, or gumminess, of the e-liquid, and the chemicals that make up the fluid both can cause cavities
Conversely, significant challenges arise from stringent regulations, public health advocacy, and evolving taxation policies targeting flavored products
Furthermore, high rates of dual use may result in greater total public health burden and possibly increased individual risk if a smoker maintains an even low-level tobacco cigarette addiction for many years instead of quitting. The authors are Rachel Grana, PhD, MPH, a postdoctoral fellow at the UCSF Center for Tobacco Control Research and Education (CTCRE)
The CDC acknowledged that the lung problem associated with E-cig use was caused by tetrahydrocannabinol (THC) (a psychoactive substance found in the Cannabis plant) (CDC, 2020a)