<prompt> Which component of cigarette smoke is responsible for C.A.D?NicotineTarPolycyclic aromatic hydrocarbonsBenzene  <response>: Cigarette smoke product Effect on human body Acetaldehyde Anabasine Addiction Benzene Carcinogenic cardio-toxic reproductive potential toxicity Benzopyrene Carcinogenic Carbon monoxide Reproductive potential toxicity Vinyl chloride Carcinogenic 