Show me the causation.

I can’t prove a negative.

I can go and learn exactly peer reviewed causation between mesothelioma and asbestos.

“Second hand smoke causes cancer” has no biological evidence. It has mountains of data reviews and a behemoth of propaganda aired daily.

“there was always a lot of evidence of the damage caused by second-hand smoke”

Produce the landmark peer reviewed biological study that proved this.

You can’t. Because it’s War on Drugs, it’s propaganda, and it is an absolute ocean of spurious correlation manuscripts and absolutely no proof.

You got lung cancer from sucking up burnt dinosaur goo during rush hour, not because a dude had a smoke in your general viscinity.