for more information, check out fda.gov. people that suffer from depression but don't respond to traditional medications now have another option and it's linked to a party drug. dr. raj, this is a chemical cousin to a powerful surgical aesthetic. what is the deal here with this? >> this drug is esketamine. what you're referring to is ketamine, which is a very powerful drug used in the anesthesia realm. it was used in the 90s and has psychedelic effects and can be dangerous. it has sedative effects. >> trace: psychedelic out of body experiences we're told. what is the goal here? are we saying the suicide raid because those were severe depression that this is a last-ditch effort? >> absolutely. the suicide rate right now is the highest it's been in 50 years. we're talking about a new drug available for treatment resistant depression. these are people with severe depression that failed two other types of anti-depressants. this is an option. comes in a nasal sprayed that can be given on...