The US Department of Defense issued mandatory testosterone testing implementation guidelines for male military personnel aged 30 and above on the 2nd to “enhance the US military's combat readiness.” However, many medical experts question whether this policy has a scientific basis.

The US Department of Defense issued mandatory testosterone testing implementation guidelines for male military personnel aged 30 and above on the 2nd to “enhance the US military's combat readiness.” However, many medical experts question whether this policy has a scientific basis.