Hegseth wants a more macho military. Testosterone shots won’t help.

This story appeared in Today, Explained, a daily newsletter that helps you understand the most compelling news and stories of the day. Subscribe here. Defense Secretary Pete Hegseth announced this week that the Pentagon would begin testing the testosterone levels of all military members over the age of 30 as part of their regular, annual physical exams. And — if their levels are low — service members could choose to receive testosterone replacement therapy. “It’s not about artificial…