A new study from the University of Utah has found that men's faces have evolved in order to better take a punch.

Researchers said our primitive ancestors had faces that were flatter and more fagile, but natural selection favored men whose facial structure acted as armor against punches.

The change began as men became more competitive over women and food.

Women's faces, however, have not evolved in the same way. Researchers said their faces are less able to withstand punches because historically, women have been far less violent.

Read more: BBC

Photo credit: Shutterstock/Dan Kosmayer