Nick Cannon, 44, has revealed his diagnosis with narcissistic personality disorder (NPD), a mental health condition characterized by grandiosity, need for admiration, and lack of empathy. Symptoms of NPD include an exaggerated sense of self-importance, craving constant attention, and struggling with relationships. While narcissism is a personality trait, NPD requires professional intervention due to its impact on behavior and relationships. Nick Cannon, 44, has revealed his diagnosis with narcissistic personality disorder (NPD), a mental health condition characterized by grandiosity, need for admiration, and lack of empathy. Symptoms of NPD include an exaggerated sense of self-importance, craving constant attention, and struggling with relationships. While narcissism is a personality trait, NPD requires professional intervention due to its impact on behavior and relationships. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle