An effect can be observable but still negligible in terms of the actual increase of risk.

You think a mercury sandwich isn’t a realistic representation of wood.

Wow, you know, after careful consideration I think you may be right. Thanks for your wisdom. Truly enlightening.

I’ll go eat some wood.

Sometimes I just don’t bother learning new stuff till the old stuff stops working for me. It’s amazing how many really simple things people stroll past on their way to god knows where.

If something is part edible and part not, then it really depends on the nature of that not edible bit. If it’s inert, then great. If it’s not, then you could be kinda fucked.

The fact that something is 45% edible says precisely nothing about whether or not it is edible.

Wood is just less than half cellulose by weight, so wood must be safe to easy.

This mercury sandwich is just less than half bread by weight, so it must be safe to eat.

The answer used to be John the Ripper, but I’m a decade out of date on this stuff, so it might not be any more.

OK, but is coffee a soup?