This paper aims to identify the causal effect of smoking on body mass index (BMI) using data from the Lung Health Study, a randomized trial of smoking cessation treatments. Since nicotine is a metabolic stimulant and appetite suppressant, quitting or reducing smoking could lead to weight gain....

This paper aims to identify the causal effect of smoking on body mass index (BMI) using data from the Lung Health Study, a randomized trial of smoking cessation treatments. Since nicotine is a metabolic stimulant and appetite suppressant, quitting or reducing smoking could lead to weight gain....

This paper aims to identify the causal effect of smoking on body weight using data from the Lung Health Study, a randomized trial of smoking cessation treatments. We find evidence that quitting smoking leads to an average long-run weight gain of around 11-12 pounds, and that the drop in smoking...