https://www.cdc.gov/tobacco/data_statistics/fact_sheets/health_effects/tobacco_related_mortality/ https://www.cdc.gov/tobacco/data_statistics/fact_sheets/heal..

https://www.cdc.gov/tobacco/data_statistics/fact_sheets/health_effects/tobacco_related_mortality/ https://www.cdc.gov/tobacco/data_statistics/fact_sheets/heal... There's a good table of this about halfway down the page. Looks like cancer is the single largest cause, accounting for about 2/5ths of the deaths.