In a study published in the Journal of Psychiatric Research, researchers investigated the prevalence of narcissistic personality traits among adults with attention deficit hyperactivity disorder (ADHD). They found that a notable proportion of ADHD patients exhibited signs of narcissistic personality disorder and that these narcissistic traits were particularly associated with symptoms of hyperactivity and impulsivity, rather than inattention. ADHD is a prevalent neurodevelopmental condition characterized by persistent patterns of inattention, hyperactivity, and impulsivity. Affecting approxima…