Cotinine

Secondhand smoke is the combination of smoke from the burning end of a cigarette and the smoke br...

Secondhand smoke is the smoke that you exhale plus the "sidestream" smoke created by the lit end ...

Secondhand smoke refers to the fumes that are emitted when smokers use cigarettes, pipes, cigars,...

Secondhand smoke is a serious health hazard causing more than 41,000 deaths per year. It can caus...

Secondhand smoke is a mixture of the smoke given off by the burning of tobacco products, such as ...