Good luck coming up with absolute definitions:
https://www.cancer.org/cancer/risk-prevention/understanding-...
Absolute definitions are hardly ever useful. Even for mundane things. How do you determine if something is ‘wet’?
https://www.cancer.org/cancer/risk-prevention/understanding-...
Absolute definitions are hardly ever useful. Even for mundane things. How do you determine if something is ‘wet’?
For whether something is a carcinogen it's like asking if it's "humid", and we have very clear and precise ways to communicate that.