Human studies on the relation between testosterone levels and risk-taking behaviour are
scarce. Related functions, like aggression, have been related to higher testosterone levels …

Objectives: The aim of this study was to determine whether the environmental exposure to
pyrethroids affects semen quality and the level of reproductive hormones in men. Methods …

Context Hypothalamus-pituitary-gonadal (HPG)-axis disturbances are a common
phenomenon in patients with classic congenital adrenal hyperplasia (CAH). 11-oxygenated …

Background: Childhood obesity is associated with an accelerated skeletal maturation.
However, data concerning pubertal development and sex steroid levels in obese …

Background Tibolone is a synthetic steroid used in clinical practice for the treatment of
climacteric symptoms and osteoporosis. Active metabolites of tibolone, generated in target …

Breast cancer resistance protein (BCRP) is known for its protective function against the toxic
effects of exogenous compounds. In addition to this, a role in the transport of endogenous …

Context: Deficiency of aromatase, the enzyme that catalyzes the conversion of androgens to
estrogens, is associated with insulin resistance in humans and mice. Objective: We …

Context: The risk of many conditions, including prostate cancer, breast cancer, and
osteoporosis, is associated with serum levels of sex steroids. Objective: The aim of the study …

Epimedium brevicornum Maxim (EbM) is a well-known Chinese herb that has been widely
used for the treatment of several diseases. The main purpose of this study is to examine the …

The adolescent period is characterised by fundamental hormonal changes, which affect sex
steroid production, cortisol metabolism and insulin sensitivity. These physiological changes …