It's ridiculous that smokers in particular would be jumping on this bandwagon. Everyone I know in the Army who smokes freely admits that it adds time to their 2-mile runs and causes them to huff and puff when trying to go up large hills.
It's time for people to stop using personal liberty as an excuse for attacking the health of their children. It's a reflection of the self-centered age we live in and this is the kind of "my pleasure at the expense of all others" thinking that will drive this country directly down the toilet.