Does being a dad change a man's brain? The answer isn't clear in humans, but a study with tiny monkeys called marmosets suggests fatherhood may alter gray matter.
Marmosets make good fathers
"Marmoset fathers, unlike many other male mammals, are very involved in offspring care," noted study lead author Yevgenia Kozorovitskiy, a graduate student in neuroscience at Princeton.
Can you be a better Dad?
Are you a Dad-to-be?