I joined Fox and Friends this morning to talk about a new study linking a rise in Testosterone levels in Dads when their baby cries. It shows us new clues to the complex role that Testosterone, and hormones in general, play in our body. As I say in the below video, it is not all about pumping up in the gym and the fuel for the Male sex drive. Watch the latest video at video.foxnews.com Do you have questions about Testosterone? Please leave a comment or send me an email.