Why Do We Have Eyebrows?

Eyebrows. Whether you pluck them, pencil them in, or leave them well enough alone, you’ve likely had a moment when you’ve stood in front of a mirror, looked at the patches of hair between your eyes and your forehead, and wondered… why? Why, after evolution stripped away the fur that coated our caveman ancestors, were we left with eyebrows?

As it turns out, they do actually serve a purpose. In the video above, watch as Yahoo Health explores the surprising reasons why humans still have eyebrows — then let us know what health mystery we should crack next!