Der Botenstoff Serotonin spielt eine Schlüsselrolle bezüglich des psychologischen Wohlbefindens. Was viele nicht wissen: Das sogenannte Glückshormon wird vor allem im Darm gebildet. Dieser Syntheseort erklärt, dass es eine enge Verknüpfung zwischen Gehirn und Verdauungstrakt gibt.

Cortisol is a vital hormone known as a stress regulator. It influences our metabolism, immune system, psyche, sleep, and behavior—sometimes with far-reaching consequences.

Testosterone deficiency is associated not only with reduced libido and erectile dysfunction, but also with other symptoms, as the sex hormone testosterone is involved in important physiological processes such as energy metabolism and muscle building. Combining a healthy, active lifestyle with hormone replacement therapy has proven effective in supporting quality of life and psychological well-being.

Testosterone levels often drop unnoticed – with consequences for both body and mind. In this expert interview, Dr. Jörg Sandmann explains how the hormone affects not only male sexuality, but also metabolism, muscle development, and mental health, and what measures can help men stay healthy and productive.