I found prions to be the most fascinating thing in my biology classes. And the fact that we still don&#x27;t know that much about them bemuses me. The debate section from the Wikipedia is worth reading [0] due to the fact that we still don&#x27;t know &quot;Whether prions cause disease or are merely a symptom caused by a different agent is still debated by a minority of researchers&quot;.<p>[0] <a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Prion#Debate" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Prion#Debate</a>