books about tobacco industry The Cigarette Papers by Stanton A. Glantz, John Slade, Lisa A. Bero, Peter Hanauer, Deborah E. Barnes - Paper Merchants of Doubt - Wikipedia

27 623 never smokers) and CPD for all smokers (i.e., 2271 current + 13,591 formers smokers)

Vaping delivers nicotine differently because it relies on vaporization rather than burning, meaning absorption rates depend heavily on your specific device and e-liquid type

What kind of regulations are enforced to stop this

In 2006, the Surgeon General found that secondhand smoke is a proven cause of lung cancer, heart disease, serious respiratory illnesses such as bronchitis and asthma, low birth weight and sudden infant death syndrome

But in 2020, the CDC identified 68 deaths associated with e-cigarette use, and 2,807 EVALIs (e-cigarette or vaping use-associated lung injuries)