Originally Posted by MS Fowler

Second hand smoke is being used as the excuse to pass more and more legislation. Right now the MD legislature is preparing to pass a law to make it illegal to smoke in a car with an occupant under 8 years old. The sponsors wanted to prohibit allowing a achild in any car in which someone had ever smoked. The "dangers" of second smoke is cited as the reason we need to protect the children.

My question is simple. Are there studies that show causality? I know of anecdotal stories, but are there scientific studies? I also know that the UN spiked its own study about a decade ago because it did not find a solid link.

So, is second hand smoke as dangerous as they want us to believe, or is this more junk science passed off as real research?
Please notice that I am not advocating any position regarding legislation--I am only asking questions.