A notable study published in The New England Journal of Medicine in 2015 showed that reducing nicotine in cigarettes resulted in less smoking and more attempts to quit
One reason for this is that cancer development can take decades to manifest and vaping has only been around for a decade or so
Donald Tashkin, a UCLA pulmonologist who has studied marijuana for 30 years, hypothesized that the chemical THC may prevent the cancer-causing chemicals in marijuana smoke from negatively affecting the body: The THC in marijuana has well-defined anti-tumoral effects that have been shown to inhibit the growth of a variety of cancers in animal models and tissue culture systems, thus counteracting the potentially tumorigenic effects of the procarcinogens in marijuana smoke
New York City was considering a 1 cent refundable deposit on all cigarettes sold in the city - read more here
These are dangerous, he said
"Tobacco companies have rebranded their roll-your-own cigarette tobacco as pipe tobacco, to avoid taxes, and rebranded flavored cigarettes as flavored cigars to skirt a federal ban," said co-lead investigator Andrea Villanti, deputy director of the Rutgers Center