Anabolic–androgenic steroids (AAS) are a class of hormones that are widely abused for
their muscle-building and strength-increasing properties in high, nontherapeutic, dosages …

The incidence and/or prevalence of health problems associated with endocrine-disruption
have increased. Many chemicals have endocrine-disrupting properties, including bisphenol …

This review summarizes ten years experience with male abusers of anabolic androgenic
steroids (AAS). The typical user of AAS is male, aged between 20 and 40 and lifting weights …

Background Previous epidemiological studies on the relationship between per-and
polyfluoroalkyl substances (PFAS) exposure and male reproductive hormones were mainly …

BACKGROUND Infertility affects 15% of men and contributes to nearly half of all cases of
infertility. Infertile men usually have impaired spermatogenesis, presenting as azoospermia …

The aim of the study was to assess the association of phthalate metabolites levels in urine
with semen parameters (sperm concentration, motility, morphology, CASA parameters) …

Aging and its underlying pathophysiological background has always attracted the attention
of the scientific society. Defined as the gradual, time-dependent, heterogeneous decline of …

Aromatase activity has commonly been associated with male infertility characterized by
testicular dysfunction with low serum testosterone and/or testosterone to estradiol ratio. In …

Despite significant advances in contraceptive options for women over the last 50 yr, world
population continues to grow rapidly. Scientists and activists alike point to the devastating …

Aromatase is the enzyme that catalyzes the last step of estrogen biosynthesis. It is
expressed in many tissues such as the gonads, brain and adipose tissue. The regulation of …