 We don't call it a poison today, but it's penicillin. How many antibiotics are derived from that penicillin? And folks, I just need to tell you, there's a dark side to antibiotics. Thank God they're here. I think they've saved many lives. But like anything that tends to work in medicine, we overuse it, hoping that every infection that comes in my clinic or my hospital is bacterial. And I'll tell you with great knowledge in this area,