Middle-aged Swiss men are chasing testosterone. Doctors aren't sold.

Widely prescribed in the US, demand for testosterone replacement therapy (TRT) is rising in Switzerland, putting pressure on doctors to get a complex diagnosis right. N.U., a 47-year-old man living in Switzerland wasn’t feeling like himself. Fatigue, lack of libido, and reduced mental and physical performance were negatively affecting his life. N.U, who wished to remain anonymous, suspected low testosterone could be responsible for his symptoms. Testosterone is the major male sex hormone that…