my mum smoked and she used the gum (she is 36) she seems fine now, the worst thing is: she is doctor so you'd expect a doctor not to get involved with that sort of stuff in the first place. my dad is trying to stop smoking at the moment and he is also using the gum but he also has this kazu (
) thing which he plays with each time he gets a craving.
try looking for some websites and showing them to your grandad. also there was this one advert where fat was dropping out of someone that made my mum think..so try looking for that
hope the above helps.
edit:
here are some:
Smoking Advert 1 - Caution [Slightly Graphic]
Collection of NHS Adverts
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