Scientists have studied the heart rates of infants when they are picked up by a loving caregiver and now have measured proof that their heart rate slows within seconds of being held.
“It’s very difficult for adults to relax so quickly,” said Dr. Kuroda, whose study appears in the journal Current Biology. “I think it’s specific to infant physiology.”
In the case of the mouse pups, it took only one second for the heart rate to drop. In human babies, it took about three seconds.
You can read the rest of the article citing the research here.
Will it be enough to quiet the voices that say that you can spoil a baby by holding them too much? I sure hope so.