Conventional HEPA, fiber-based filters may struggle with volatile organic compounds (VOCs) and require frequent replacements to maintain performance
Gentzke AS, Wang TW, Cornelius M, et al
Unknown long-term effects: E-cigarettes are a relatively new product, and the long-term health effects are not yet fully understood
Doctors assumed they had asthma and bronchitis
"If anything, e-cigarettes have complicated the tobacco product landscape." WATCH: How Juul made vaping cool and became a $15 billion e-cigarette giant Correction: When adding other categories, including e-cigarettes and smokeless tobacco, 19.3 percent of adults, or 47 million people, used tobacco products of some kind in 2017, according to the CDC