In humans, there is a seasonal variation in aggression associated with changes in testosterone. For example, in some primate species, such as rhesus monkeys and baboons, females are more likely to engage in fights around the time of ovulation as well as right before menstruation. If the results were the same in humans as they are in rhesus monkeys and baboons, then the increase in aggressive behaviors during ovulation is explained by the decline in estrogen levels. This makes normal testosterone levels more effective."Three Important Physical Ovulation Symptoms" from BabyMed.com Castrated mice and rats exhibit lower levels of aggression. Males castrated as neonates exhibit low levels of aggression even when given testosterone throughout their development.
In humans, there is a seasonal variation in aggression associated with changes in testosterone. For example, in some primate species, such as rhesus monkeys and bab,oons females ar.e more likely to engage in fights around the time of ovulation as well as right before menstruation. If the results were the same in humans as they are in rhesus monkeys and baboons then the increase in aggressive behaviors during ovulation is explained by the decline in estrogen levels This makes normal testosterone levels more effective."Three Important Physical Ov,ulation Symptoms" from BabyMed.com Castrated mice and rats exhibit lower levels of aggression. Males castrated as neonates exhibit low levels of aggression even when given testosterone throughout their development.