This website contains up-to-date information on male hypogonadism and the possibilities of androgen therapy.

It informs you about the causes and the effects of testosterone deficiency and provides practical guidelines for diagnosis and for developing individual treatment plans.

Particular attention is paid to the aging male. Many aspects of the aging process are directly linked to the hormone system. It is important to obtain a better understanding of the male aging process and to find ways of preventing and treating late-onset diseases.