41
/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
May 31, 2026
6866531
656531
1
Public Timelines
FAQ

jan 1, 1775 - Chimney Soot & Squamous Cell Carcinoma

Description:

Percivall Pott identifies a relationship between exposure to chimney soot and the incidence of squamous cell carcinoma of the scrotum among chimney sweeps. His report is the first to clearly link an environmental exposure to the development of cancer.

Added to timeline:

Date:

jan 1, 1775
Now
~ 251 years ago