Not the last word, however some very plain and clear speaking.
The explanation of how the IARC part of the WHO reports and how the Australian Cancer Council assesses the reports is most useful.
“So you can end up with two different carcinogens in the same IARC grouping, where one will hugely increase your risk of getting cancer and the other might just shift it by a minuscule percentage, Dr Saunders said.
For example, processed meat — including salami, sausages and bacon — is in Group 1, along with tobacco smoke, plutonium, asbestos and even sunlight (solar radiation).“
For any one interested the article from the ABC explains some of the considerations made by the Cancer Council in how it responds to any new reports.