yup, sign of a bad heater core
The "fumes" are more than likely antifreeze from a leaky heater core.
Antifreeze fumes can be toxic. Breathing them can cause health problems. If your vehicle is leaking coolant, especially from the heater core use care and repair the leak as soon as possible.
No it is not a good thing to do!
One possible side effect is death.
noxious fumes are dangerous and can kill us
yes, if you breath in the fumes they can cause lung cancer so don't breath them in after cooking
Yes, but don't breathe the fumes.
yes you can because it is not good for you to breathe on
So you can be healthy and not breathe in deadly fumes.
Do not breathe from a tail pipe. Exhaust fumes contain many componentst that will kill you if to much is inhaled.
No, it does not.