my dad used to smoke, before my uncle had a heart attack. my dad then became very health-conscious, and quit.
my mom, on the other hand, has been smoking since she was 16. she's now 45. she doesn't smile in pictures, because her teeth are yellow. she has coughing fits a few times a day, really bad hacking coughs. she tried to quit last year, and lasted about a day. she smokes three or four packs a day, every day. she's the reason i don't smoke or do drugs (not that she does drugs, but the effect cigarettes have had on her keeps me away from anything addictive, except for alcohol
and even then, i don't drink very often.)