Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone ...

Testosterone is a hormone that supports muscle mass, bone strength, mood, cardiovascular health, and intimate health. Low testosterone can contribute to symptoms like fatigue, … ...

Stellenbosch University provides funding as a partner of The Conversation AFRICA. Testosterone testing in sport is about gender verification. Gender verification of female athletes lends itself to the ...