Testosterone Factor
- Episode aired Feb 13, 2008
- TV-14
- 45m
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... Read allNational 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? Explorer presents the latest insights from leading researche... Read allNational 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? Explorer presents the latest insights from leading researchers in psychology, biology and anthropology to reveal testosterone's fascinating influence ... Read all