To mitigate bias in model construction, we adopted a causal inference framework guided by a Directed Acyclic Graph (DAG) to inform variable selection for multivariable analysis
Match e-liquid type with device requirements: Lower airflow and moderate wattage settings consume less juice
Upper body engagement can be less varied since theres no need for bike maneuvering or balancing against environmental factors
List some of the adolescent themes present in e-cigarette ads that were also present old cigarette ads
In case you really need a cigarette, there's an emergency button that will give you an option to play a game or offer a cigarette immediately
Taylor, MD, MPH, Contributor Hanna Gaggin, MD, MPH, Contributor Disclaimer: As a service to our readers, Harvard Health Publishing provides access to our library of archived content