Don't smoke. It destroys your lungs.
Sorry if this is a bad answer because i don't know why smoking is bad but here's what i know: you're inhaling smoke when you smoke and inhaling smoke is bad.
does a cigarettes affect the lungs \
what do cigarettes do to your lungs ? by khiana
20 years according to research by scientist
your lungs. quit smoking.. very bad for you.
Cigarettes should be banned because they can damage your lungs.
Tar is very bad for you and your lungs. it is inside cigarettes and smoking is very bad for your lungs (turns them black).
Cigarettes cause lung cancer, and I believe that they also can clog up the little hole in your lungs (I forget what they are called, but that is how the oxygen get to your body.
cigarettes can mess up your lungs.
Yes.
cigarettes have tar in them that goes into your lungs which is toxic to your lungs and since it doesn't go anywhere it causes disease in your lungs.
cigarettes is a stick full of chemicals and causes cancer of lungs and other cancers
They stay healthy