US Defense Secretary Pete Hegseth has announced mandatory testosterone deficiency screening for all active-duty and reserve military personnel aged 30 and older during their annual health assessments. Troops found to have low testosterone levels will be offered voluntary hormone replacement therapy, with Hegseth saying the goal is to ensure service members can perform at their "absolute best."Watch the latest updates on the Pentagon's new "High-T Department" initiative and what it means for America's armed forces.