Public research university in Hamilton, Ontario
[Synopsis here]
Defense Secretary Pete Hegseth has announced a testosterone screening program for service members, extending annual checks to those 30 and older while offering voluntary testing for those under 30. Treatment remains voluntary, framed as restoring natural health rather than artificial enhancement. The move follows broader debates around testosterone policy in the administration.
The military is implementing mandatory testosterone screening for troops aged 30 and older, aiming to optimize performance and longevity. Experts warn the policy lacks solid evidence and could pose health risks, particularly for women. Reports from multiple outlets highlight concerns about timing, medical guidelines, and potential overreach.
New genetic analysis of Chilean mummies links smallpox to European strains, providing the strongest outside-Americas connection yet and clarifying how the disease spread during colonization. Two ancient infections date to 1492–1631, suggesting European origins for the American strains.