“How about pederasty or gender dysphoria? Or sexual addiction?”
Sometimes Ritalin crosses my mind... 20 years ago Ritalin was over prescribed and now 20 years later... look.
My wild guess is maternal sexual hormone Imbalance during gestation, either through genetic disposition of mom , or residual birth control chemicals not yet completely excreted from mom, or natural and artificial chemicals which have male or female sex hormone activity. Some of these are natural effects but the recent (within 50 years) uptick might indicate artificial chemicals. The latest explosion in this activity is prob a fad followed by attention needy kids.