We don't know yet, but the article mentions it's likely that the gut microbiome is involved, which means microplastics and food additives are unlikely to have much of an importance.

There are plenty of pathogens that cause cancers, and the article implies something about our lifestyle or their own evolution has turned a formerly benign entity against us.

I know alot of people get into running to cope with stress. Maybe that is a possibile link.

I've heard about that link before

https://www.inovanewsroom.org/press-release/2025/08/groundbreaking-inova-study-finds-potential-link-between-long-distance-running-and-colon-cancer/

Pictures of health could still be drinking PFOA and other crap if their drinking water hasn’t been tested.

Kidney and Colon cancer are two of the most linked diseases to if.

Most synthetic sweeteners are considered scientifically rigorously tested and safe for consumption. :)

I always knew running was bad news. 😏