Carbon Monoxide known as "Silent Killer"
Carbon Monoxide is odorless, colorless so therefore you can't see it and feel it slowly poisoning you, the symptoms of the said poisoning occur in hours.
Carbon Monoxide and RBC can't be bind
Carbon Monoxide can cause heart attack due to lack of oxygen that heart needed.
Causing of constructing vessels.
Nicotine can contribute on hardening the vessels and constricting it that can cause high risk of cardiac arrests.
Increasing of having heart diseases
Heart beat patterns could be abnormal. Having a high blood pressure. It causes vein to be stressed that result of pumping faster. And higher risk of having a liver/heart failure.