Have you ever wondered why babies smell so good? It's a combination of science ... we are drawn to protect young children.

Once children become teens and are no longer ... Yet many people learn to perceive this smell as “good” because it represents the exciting, high-status act of buying a new car.

However, this preference wasn't linked to genetics and decreased as the child got older, especially in daughters, supporting the idea that smell helps prevent incest in father-daughter relationships.