Cancers From 250 Million Years Ago

Could there be a very ancient cause behind a cancer spike in China?

“rain/forest” by Michael Cory is licensed under CC BY 2.0

There is evidence to suggest that people in a particular part of China are dying today from cancers that owe their origin to something that happened 250 million years ago.

It is generally accepted today that a mass extinction of species — notably but not exclusively…