In this episode: what not to bring in an MRI and two people who broke the rules and paid the price. Can Lidocaine, a common anesthetic, help cure some cancers? The research is very positive. Plus, Matthew Perry’s autopsy named Ketamine as a contributing factor in his death. How does Ketamine, which is used for depression and pain management, turn deadly? And lastly, are in-home laser and light therapy devices safe? We’ll find out. See omnystudio.com/listener for privacy information.