Doctor explains why ketamine is being used as a depression treatment

Dr. Jane Morgan discusses ketamine's history as an anesthetic and party drug, and its potential as a treatment for depression, especially in patients resistant to other antidepressants. A study in Nature magazine explored different dosages, finding higher doses more effective. Ketamine's dissociative effects contribute to its street value. The drug is available in nasal spray and pill forms, with ongoing research into its addiction potential.

What were the findings of the study published in Nature magazine regarding ketamine's effectiveness?

Discuss the implications of ketamine's dissociative effects in both recreational and therapeutic contexts.