A recent study published in the Journal of Personality explores the dynamic relationship between certain dark personality traits and mental health symptoms over time. Researchers found that traits like narcissism, Machiavellianism, and psychopathy interact with depression, anxiety, and stress in unique ways. For instance, increases in narcissism appeared to coincide with a decrease in mental health symptoms, while elevated levels of psychopathy and Machiavellianism were associated with concurrent increases in symptoms. The Dark Triad refers to three personality traits—narcissism, Machiavellian…