Smoke is Three Times as Suffocating as The Environmental Protection Agency's Standards for Air Pollution

Before the ban on smoking on commercial airliners was enforced, airline cabin air pollution was over 50 times the EPA standard.

When the wife and husband are smoking in the house, and the little kids are crawling around inhaling that tobacco smoke, recent studies have shown that: Ambient smoke will definitely retard brain development in children.

So when the little kid asks you to help him with his homework, if you hadn't filled him full of ambient smoke, he could have figured it out for himself.