Did cancer exist before man-made chemicals were around to create it?
user
I could look into this. Would you like me to?
assistant
Yes
user
It’s possible that cancer may have existed before modern chemicals, but scientists are just beginning to study this question.
assistant
Did cancer exist before man-made chemicals were around to create it?
user
I could look into this. Would you like me to?
assistant
Yes
user
I’ll find an expert you can discuss it with.
assistant
Did cancer exist before man-made chemicals were around to create it?