Scientists are calling it the "mama bear effect," a term for
the newly discovered aggression found in breastfeeding mothers. Apparently, when breastfeeding mothers are confronted with competitive situations, they
react with increased aggression but their blood pressure remains low, which could enable them to more effectively face situations where their baby is in danger.
The researchers at UCLA’s department of psychology must have
had some fun when breastfeeding mothers, formula feeding mothers and women
without children were asked to compete in computer games against an overly rude
assistant. The participants were given a button to push that enabled them to
send the competitor a loud noise if they won. Upon winning, the breastfeeding
mothers consistently blasted the opponent with the noise louder and longer than
either of the other groups. However, even though the breastfeeding mothers
acted more aggressively, their systolic blood pressure remained 10-12 points
below the women in the other two groups.
The findings correlate with animal studies that have revealed a
reduction in the body’s fear response in lactating mammals. This new study
demonstrates that the same effects are present in humans, possibly enabling mothers to
respond more effectively to dangerous situations.
Like mama bears, nursing mothers defend babies with a
vengeance [
Eurekalert]