What medical innovation was pioneered by the surgeon Joseph Lister?
Correct answer: Antiseptics

That Cøunt, Ray Bumpkin
And the miasma theory is ...that diseases were caused by a miasma (Ancient Greek for 'pollution'), a noxious form of "bad air".

Mars V
Finally an easy one.

Cari
Nice. I didn't know Listerine was derived from a scientist's name 😁