sex differences

What's the difference between stress and anxiety? Why are women diagnosed with clinical anxiety twice as often as men? Join Caroline and Cristen as they take a look at how men and women's brains process stress and anxiety differently.

Masturbation can be a sensitive subject, and many people are uncomfortable asking questions about the practice. For example: Do men masturbate more than women? Is there an evolutionary explanation for masturbation? Tune in to learn more.

Why do men have nipples?

Why haven't males evolved to not have nipples? Many newborns lactate "witches milk" soon after birth. Can men lactate? Listen in as Cristen and Caroline tackle these questions and more in this episode.

What is your voice saying about you?

Why do men have Adam's apples? What determines the pitch of your voice? What deepens men's voices? Tune in as Caroline and Cristen get to the bottom of what makes your voice sound the way it does -- and what it says about you -- in this episode.

Studies show men are just as intuitive as women, so why does folklore disagree? Does women's intuition really exist? Do women have higher emotional intelligence? Join Caroline and Cristen as they take a closer look at the nature of intuition.

The results are in: It appears that men and women tend to report different types of dreams more frequently than others. But what do these results mean -- and what exactly do dreams do, anyway? Tune in to find out.