In July 2020, the FDA authorized the marketing of IQOS with the reduced exposure claims below: The IQOS system heats tobacco but does not burn it
The brand already rivals Marlboro as a favorite among contraband traffickers and their customers, according to the article.[16] High smuggling rates are not limited to developing countries or nations with high levels of reported corruption
The models were adjusted for age, sex, BMI, residential area, income, regular physical activity, smoking pack-years (Exam 1), ICS prescription within 1 year of Exam 2, history of severe exacerbation within 1 year of Exam 2, and comorbidities within 1 year of Exam 2
System performance was limited by the maximum air changes the existing ventilation system was designed to provide with a typical overall minimum of six air changes per hour based on older model building code language
Ruscha, Ed (1969)