On Wednesday, Defense Secretary Pete Hegseth announced that the US military would begin mandatory testosterone screening for all active and reserve personnel aged 30 and over. These screenings will take place during yearly health assessments.

Hegseth explained in a social media video that the initiative aims to ‘optimize your performance, your resilience, and your long-term health’. However, this move has sparked debate among doctors who warn that widespread screening for male hypogonadism—the condition where the body doesn’t produce enough testosterone—can be complex.

The Endocrine Society, a group of experts on hormone-releasing systems in the body, issued a statement questioning whether there is sufficient evidence to support general population-level screening for this condition. Professor Bradley Anawalt from the University of Washington Medical Center highlighted these concerns, stating that without clear evidence, such screenings could lead to unnecessary treatments.

The military's approach raises questions about what ‘optimizing’ really means in a combat setting and whether testosterone screening should be a standard health check for all adults. Critics argue that this initiative might not significantly benefit most people and could potentially create more problems than it solves.