Dust, pet dander, and other types of particulate matter may contain bacteria, viruses, and mold spores, which can grow inside the filter. He says some air purifiers have UVC (Ultraviolet-C) and ionization features that can deactivate or kill these microorganisms, prolonging the filters life and reducing re-exposure risks when replacing the filter
Cover The New England Journal of Medicine November 19, 1953 A case report entitled, Asbestosis following brief exposure in cigarette filter manufacture, published in Respiration in 1972 by two members of the Thoracic Services division at Boston University Medical School, described a 47-year old man who had been exposed to asbestos dust for nine months in 1953 while working in a factory that manufactured cigarette filters containing Cape Blue asbestos, also known as crocidolite asbestos
Over 73% of students who use social media specifically reported seeing e-cigaretterelated content.* 4 4
Reitzel, L.R., et al., Race/ethnicity moderates the effect of prepartum menthol cigarette use on postpartum smoking abstinence