old salem cigarette ads It's only natural." (Salem cigarettes ad from Jet magazine 1971) : r/vintageads 1919 Ad Camel Cigarettes R

A bit more nuanced

Increasing experimental evidence suggests that TM formulations have beneficial effects by modulating key pathological mechanisms, including oxidative stress, immune dysregulation, mucus hypersecretion, airway inflammation and hyperresponsiveness, and airway remodelling

Studies have shown that N95 masks provide significant protection against various pollutants, including dust, pollen, smog, and certain microorganisms suspended in the air

Hudgel DW, Cooperson DM, Kinsman RA: Recognition of added resistive loads in asthma: the importance of behavioural styles

And while Wismer is not aware of any animal deaths, weve had animals that have had to undergo treatment at a veterinarians office and probably would have died if treatment had not been provided, she says