Testosterone Factor

S1, E5: Testosterone Factor

Available on iTunes
S1 E5: National Geographic gets to the science behind what makes a man manly - his Testosterone Factor. It's one of the most important and powerful hormones in a man's body, but how does it really impact the men in your life? National Geographic presents the latest insights from leading researchers in psychology, biology and anthropology to reveal testosterone's fascinating influence on strength, status, success and even commitment.