Originally posted by Symmetric Chaos
You won't find a study that says 100% of children that are spoonfed arsenic are killed by it either. Those sorts of absolutes don't exist anywhere in science.
Ok no study, how about a statement? Because I can almost guarantee that any doctor will tell you that if start to frequently spoon feed arsenic to an 8 year old in moderate doses they'll die before they're 18 100% of the time.
On the other hand, no doctor in the world can guarantee your kid will end with lung cancer by the time they're 18 even if they themselves smoke like a freight train from the time they're 8. Hell I know people who've for 30 years and not gotten lung cancer.
And that's the whole thing, the kids are only going to get lung cancer if they themselves start to smoke because when you're 18 years old(and no longer legally obligated to stay in the house with smokers) your lungs are still developing and working to repair themselves. And if the kids are both smokers and vulnerable to lung cancer then they're going to get it anyway. It's a choice on the children's part as to whether or not they risk dieing from smoking because it's up to them as to whether or not to take up smoking themselves.
So yes you can say that the parents are endangering the health of their child(as health problems may develop), but you can't say that they're "killing their children".