Yes.
There is no question that there are poisonous substances in all forms of smoke, and breathing it can be harmful.
It is called nicotine.
Carbon Monoxide
No, it contains carbon dioxide- a gas poisonous enough to kill you.
You don't.
Carbon Monoxide (CO).
Carbon Monoxide
co
Service or replace the engine. A vehicle does not emit much smoke if it is in good condition and running properly.
If you're talking about cigarette smoke - no. But if you're talking about smoke from a burning building - yes. Far more fire victims are suffocated by poisonous smoke than are actually killed by the flames.
Second-hand smoke harms everyone, not just children. Cigarette smoke contains many poisonous chemicals, which build up in the lungs and cause cancer and other disease.
They didn’t use it. They didn’t know that they were about to die in an eruption. You have to remember that the smoke from a volcano is poisonous because of the gases.