Тестостерон снижает уровень страха и тревоги у грызунов: C. Eisenegger et al., “The Role of Testosterone in Social Interaction,” TICS 15 (2011): 263. Тестостерон ослабляет реакцию страха: V. Viau, “Functional Cross-Talk Between the Hypothalamic-Pituitary-Gonadal and -Adrenal Axes,” J Neuroendocrinology 14 (2002): 506. Тестостерон ослабляет реакцию вздрагивания у человека: J. van Honk et al., “Testosterone Reduces Unconscious Fear But Not Consciously Experienced Anxiety: Implications for the Disorders of Fear and Anxiety,” BP 58 (2005): 218; E. J. Hermans et al., “A Single Administration of Testosterone Reduces Fear-Potentiated Startle in Humans,” BP 59 (2006): 872.