Male children with isolated GnRH deficiency (IGD), a rare endocrine disorder associated with a lack of sex hormone during the second trimester of development, report more gender non-conformity than males without IGD. The same was not true for females with IGD.
Researchers identify predictors for those at risk of internet gaming disorder (IGD). Those most at risk for developing IGD are male, have neurotic or introverted personality traits, and are motivated to acquire in-game achievements.
Researchers have identified neurobiological differences in between men and women who are addicted to online gaming.