Monkey See, Monkey Do

Besides the excuse just to post a picture of a monkey, did they really have to studies monkeys to make this statement?

You could throw a rock in any direction and hit someone who was abused as a child, who would then go home and throw a rock at their child.

Monkeys that are abused as infants develop a specific brain change that makes them more likely to mistreat their own offspring, a new study shows.