Research shows that cannabis use in adolescence and early adulthood can cause: Difficulty thinking and problem-solving Problems with memory and learning Poor physical coordination and reaction time Difficulty focusing and maintaining attention It can hurt school performance
Around 35% of cigarette smokers have a mental health condition, and people with a history of a psychiatric disorder tend to smoke more and have greater levels of nicotine dependence
Conversely, adjusting for gender and exact age at scanning, but looking instead at rate of thinning in current smokers (to avoid confounding this rate by the effect of recovery that is observed in ex-smokers), revealed, within areas of pack-years-associated cortical thinning, that mean cortical thickness was 3.21 m thinner for every pack-year smoked (95% confidence interval, 5.82 to 0.60 m
They come pre-filled with premium e-liquids (nicotine salts or tobacco-free nicotine), built-in coils, and most are draw-activated
Market shifts: Products that receive approval gain legitimacy