when a smoker quits, what is one of the most immediate effects?

Secondhand smoke (SHS) is also called environmental tobacco smoke (ETS). It's a mixture of 2 form...

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

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

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 ...