Individuals who are exposed to passive cigarette smoke on a...
Individuals who are exposed to passive cigarette smoke on a daily basis have more atherosclerosis -- or hardening of the arteries, as measured by ultrasound -- than people who don't.
Individuals who are exposed to passive cigarette smoke on a daily basis have more atherosclerosis -- or hardening of the arteries, as measured by ultrasound -- than people who don't.