My best friend's mum died in her 50's due to smoking. She was given warning after warning that she needed to give up or it would kill her - but nothing could ever convince her to stop smoking.
Very very sad. My friend was only in her 20's when her Mum died and it is so sad that she had a choice - every one was so desperate to help her to stop. But you cannot help people who do not want to be helped. She was a lovely woman too, maybe just short on willpower and we all miss her