That's the point of science. It's continually changing and building on past knowledge. It is impossible to know everything at any given point in time, and that is not a flaw of science, but a fact of nature that science has to work with. Yeh, scientists aren't going to dumb it down. They don't use 'approximately' or…
I've been biting for almost 20 years now. Just can't stop it. There are certain parts that just feel so good when bitten or peeled off. I spit though, so there's no cannibalism for me.