which component of cigarette smoke causes lung cancer Smoking Effects on Lungs It's Lung Cancer Awareness Month,

The authors acknowledged that the data didn't differentiate between those who smoked at any point in the three months before pregnancy and those who smoked throughout that period

I hope it will soon be well regulated. Ground zero for e-cigarettes In a 5-square-mile area in the northwestern part of Shenzhen called Baoan, in a district packed with industrial parks, there are believed to be more than 600 e-cigarette producers, and many more component suppliers selling bulk orders of tube casings, integrated circuit boards, heating coils and lithium ion batteries, the essential components of the e-cigarette

People who quit smoking, regardless of their age, have substantial gains in life expectancy compared with those who continue to smoke

PMID 16723674