"Indeed, you can. What you cannot do, however, is remain alive to get the results." If we're broadening our minds to all possibilities, it's worth pointing out

"Indeed, you can. What you cannot do, however, is remain alive to get the results." If we're broadening our minds to all possibilities, it's worth pointing out that you can expose a third party to your as-yet-unconfirmed prion disease and then destructively test them, which would then allow you to test yourself while remaining alive.