[allears]

But following your logic everything would be illegal! There's a whole lot we don't know about how aspirin works, for instance.

Governments should not be in the business of banning things unless there's a clear and present danger. Citizens should have the autonomy to do risky things if they want to.

[nick__m]

Aspirin mechanisms is known since the late 1970s, it's a COX inhibitor.

Acetaminophen is the one that still mysterious, there are credible theories but they don't explain everything the substance does. The latest one I know of is that one : https://www.pnas.org/doi/10.1073/pnas.2413811122