That's not the case here at all. I believe lots of things without studies. Something like "heroin and cigarettes are equally addictive" doesn't sound right to m

That's not the case here at all. I believe lots of things without studies. Something like "heroin and cigarettes are equally addictive" doesn't sound right to me - that's why I need evidence to the contrary. It's a somewhat extraordinary claim, therefor I require some evidence.