Scientists who work with cockroaches often develop an allergy to them, which leads to them being allergic to ground coffee. Whole bean coffee is still okay. The difference is how likely you are to grind up a cockroach vs. a commercial coffee grinder.
One of many sources.
Scientists who work with cockroaches often develop an allergy to them, which leads to them being allergic to ground coffee. Whole bean coffee is still okay. The difference is how likely you are to grind up a cockroach vs. a commercial coffee grinder. One of many sources.
Ick. I’ve only had a few cups of pre-ground coffee in my life, because they were uniformly awful. I’d believe dead cockroaches are why, for sure.