FACT: Keep fit fanatics die young
FACT: Smokers & drinkers make it to their nineties with ease.
I'll make the decision as to what my body wants and when it wants it, because tomorrow won't be here if I get run over by a bus.

different point of view 
Sweeping generalisation more like.
I don't really know our family history from beyond grandparents, but the 3 generations I know about have all drunk like fish, smoked like chimneys, and all made it to their nineties without issue.
Please don't tell me that booze, fags, chocolate, milk, eggs, fried food, etc is going to kill me when there is definitive proof that living that sort of lifestyle will not neccessarily see me in an early grave.
When it's your time, then it's your time....and while certain lifestyles may not be conducive to long & healthy living for some, it doesn't mean that every single last one of us has to be shit scared about what we consume.