"And probably more than a few "cavemen" died of carbon monoxide poisoning trying to cook over open fires in their "caves"." Or salmonella, e coli, lysteria, bo

"And probably more than a few "cavemen" died of carbon monoxide poisoning trying to cook over open fires in their "caves"." Or salmonella, e coli, lysteria, botulinus, cholera, etc, etc...