It's common knowledge that smoking hasn't made anyone's life healthier. Alas, we keep listening to the disadvantages of this habit since early childhood and definitely remember them by heart: teeth become yellow, skin becomes grey, your breath smells badly and yes, your health gets worse. But have you ever wondered how exactly does this habit affect your body, not the brain which has to deal with this propaganda? Never? It's time to start. Have a look at this educational - but not boring! - video and decide, to smoke or not to smoke.