is smoking a pack of cigarettes bad Fewer Than 5 Day Damages Your Lungs Almost as Much as a Whole Pack, Study Says How to Enjoy a Cigarette

Public Health 18 , 115 (2021)

Smoking marijuana may be more harmful to lungs than smoking cigarettes, study finds It found that rates of emphysema were higher in marijuana than tobacco smokers

Q: Does it actually make bubbles

But there are many benefits to stopping smoking, from improving your physical and mental health to saving money

Scientific Reports

(Its P95 rating means it captures oil droplets as well as particulates with 95% efficiency, though that is rarely a concern on home projects.) The 4400 is rated P100, meaning it captures 99.97% of both airborne particulates and oil droplets but will be somewhat more difficult to breathe through