Scientists are investigating the potential health hazards of so - called thirdhand cigarette smoke, which consists of residues from smoking that are left behind on surfaces and in dust in apartments, hotel rooms, and vehicles.
وأضافت انه يعيق المرء ايضا عن اتباع النصائح التي تحسِّن صحته .‏ ينظر العلماء في خطر محتمل على الصحة يتمثل في التدخين التراكمي (‏ thirdhand cigarette smoke )‏ .‏