with 15.... but its very dangerous if you are in a puberty and you smoke every day . you must really carefully in puberty.
it can be very dangerous for your mental health! and special if you notice that the smoking is not good for you in puberty you should not more smoke. but later with 19-20 you can smoke again if you dont have any problems. but in puberty it can really damage your mental health!
And than you have this all your live and it wont be change again . the first time that i smoke it was so funny we was laughing
for all shit .
PS: A tip from me: never smoke in puberty it can damage your brain.