Reminds me of this classic: https://xkcd.com/1217/

New studies show that research is a leading cause of cancer in rats.

On a serious note: Humans are considered an oncogenic species. https://www.nature.com/articles/s41559-018-0558-7

(You somehow get the full article via https://www.iflscience.com/humans-may-be-causing-cancer-in-o...)

There may not be many constants in this life, especially in this day and age, but I do find it humbling that "there is always an xkcd for that" holds true.

...is there an XKCD relevant to the fact there's always a relevant XKCD?