Surprising link found between hyperthyroidism and dark personality traits

Surprising link found between hyperthyroidism and dark personality traits

New research published in Current Psychology provides evidence linking an overactive thyroid gland to specific personality characteristics known as the “Dark Tetrad.” The study indicates that individuals with hyperthyroidism report higher levels of Machiavellianism, psychopathy, and sadism compared to those with normal thyroid function. These findings suggest that physiological imbalances in the endocrine system may influence socially aversive p…