The HEPA layer captures fine particulate matter down to 0.3 microns, while the activated carbon adsorbs gaseous pollutants, volatile organic compounds (VOCs), and odors that HEPA alone cannot trap
"The tobacco industry is well aware that flavors appeal to and attract kids, and that young people are uniquely vulnerable to nicotine addiction," said Robin Koval, CEO and president of the Truth Initiative
However, years of heavy smoking can cause deep stains that penetrate the enamel, which may require professional whitening or veneers to fully correct
The odour can also be caused by the nicotine and tar staining that tends to appear on the surfaces in a smokers property
However, each year of not smoking decreases risks and improves overall health