smoking a joint vs cigarette Marijuana may be more harmful to lungs than cigarettes, study suggests Joint vs Blunt vs Spliff:

Ensuring that e-cigarettes fall under Californias comprehensive smoke-free laws is critical to protecting public health, especially given the alarming rate at which young people are picking up these devices. Vaping devices which heat liquid often mixed with nicotine and other chemicals to generate an inhalable vapor have become the most popular delivery system for tobacco products used by high school and middle school students, government researchers said

Tobacco substances undergo first-pass metabolism in the liver, exposing the organ to a complex array of over 4000 toxic chemicals, including nicotine, nitrosamines, aromatic hydrocarbons, and various carcinogens [2,3,4]

Deutsch-Wenzel, R., Brune, H

Nicotine in cigarettes also releases dopamine, doubling the feelings of pleasure

[52] The smoking age in Missouri was 18 in 1988