In one of the least-noteworthy policy developments of his first term, Donald Trump signed a law in December of 2019 raising the minimum age to purchase cigarettes and other tobacco products from 18 to 21
To minimize this potential bias from unmeasured confounding, analyses accounted for baseline differences between cohorts (eg, age), differences among current, former, and never smokers, temporal trends (eg, declining smoking rate, increasing BMI), birth cohort effects, and factors that could influence both smoking cessation and CVD risk, including sociodemographic factors and known CVD risk factors, which were time-updated
Those at risk for developing popcorn lung include people who have been inhaling the chemical diacetyl or other harmful chemicals have had a lung transplant have a severe respiratory infection have an autoimmune disease such as rheumatoid arthritis
What is popcorn lung