Postepy Hig Med Dosw 70:186193 Danaei G, Vander Hoorn S, Lopez AD, Murray CJ, Ezzati M (2005) Comparative Risk Assessment Collaborating Group (Cancers) Causes of cancer in the world: comparative risk assessment of nine behavioural and environmental risk factors
So, the topic needs a lot more research (both short-term and long-term) before they can make definitive conclusions
Traditional cigarette smoking has been studied for many decades
You didn't have, like, free rolled cigarettes
"Adjusted for population, tobacco sales per person have actually continued to decrease from 920.4 in 2012 to 906.9 in 2013," the Data Blog reported
The Centers for Disease Control and Prevention says cigarette smoking results in an estimated 443,000 premature deaths each year, and costs the economy $193 billion in health care expenses and lost time from work