Not that I would that far, however, if I am stuck in a room with smokers, my eyes burn, my throat dries up, my sinuses get clogged and eventually I will start to continuously cough.
Sooner or later, we must form an independent research institute in this country. It must be funded by industry, by government, and by private philanthropy, both individuals and trusts. The money must be pooled, so that investigators do not know who is paying them. The institute must fund more than one team to do research in a particular area, and the verification of results will be a foregone requirement: teams will know their results will be checked by other groups.
They would need to study politicians first. Try to determine what turns 98% of them into worthless dregs who feed off of their constituents instead of serve them as they are supposed to.