Reports of the increasing incidence of male infertility paired with decreasing semen quality
have triggered studies on the effects of lifestyle and environmental factors on the male …

In aerobes, oxygen is essential for maintenance of life. However, incomplete reduction of
oxygen leads to generation of reactive oxygen species. These oxidants oxidise biological …

Male infertility is a widely debated issue that affects males globally. There are several
mechanisms involved. Oxidative stress is accepted to be the main contributing factor, with …

Spermatogenesis is an extremely active replicative process capable of generating approxi
mately 1,000 sperm a second. The high rates of cell division inherent in this process imply …

The immune and the detoxication systems of animals are characterized by allelic
polymorphisms, which underlie individual differences in ability to combat assaults from …

Objective To develop an understanding of hypogonadal men with a history of anabolic-
androgenic steroid (AAS) use and to outline recommendations for management. Design …

Additional characterization of patients using anabolic androgenic steroids (AAS) is needed
to improve harm reduction and cessation resources for patients. Our group sought to expand …

In the male genital tract, reactive oxygen species (ROS) are generated by spermatozoa and
leukocytes including neutrophils and macrophages. ROS are involved in the regulation of …

Glutathione is the most abundant intracellular low molecular weight thiol in cells and tissues,
and plays an essential role in numerous cellular processes, including antioxidant defenses …

Secondary sexual traits (SST) are usually thought to have evolved as honest signals of
individual quality during mate choice. Honesty of SST is guaranteed by the cost of …