Why men are suddenly so worried about their testosterone levels

From Apple News In Conversation: Testosterone prescriptions are at an all-time high in the U.S., and according to a survey by Men's Health, 70% of men say their levels of the hormone are important to them. This increased attention to T has even reached the Pentagon, which announced mandatory testosterone screenings for troops over the age of 30. Michael Andor Brodeur, a Men's Health contributor and author of the book Swole, joins Apple News In Conversation guest host David Greene to explain how testosterone transformed from solely a medical treatment into a cultural obsession - and what that shift reveals about the pressures American men face today.