Most people who try one cigarette become daily smokers, study says Published At least two-thirds of those who try cigarettes go on to become daily smokers, even if only temporarily, research suggests
Environmental factors such as alcohol, ultraviolet radiation, and tobacco products damage DNA, increase p53 expression and activate gene clusters associated with cell growth and death
CHIP JACOBS, WRITER: It was one of the most grievous stretches of air pollution in recorded history
Worldwide, tobacco use is the single greatest avoidable risk factor for cancer mortality and kills more than 8 million people each year, from cancer and other diseases
Additionally, well highlight tips on how to maximize their efficiency and extend their lifespan