Androgens and estrogens are known to be critical regulators of mammalian physiology and
development. While these two classes of steroids share similar structures (in general …

Aging in men is accompanied by a progressive, but individually variable decline of serum
testosterone production, more than 20% of healthy men over 60 yr of age presenting with …

Introduction Testosterone deficiency (TD), also known as hypogonadism, is a condition
affecting a substantial proportion of men as they age. The diagnosis and management of TD …

The role of oestrogens in male reproductive tract physiology has for a long time been a
subject of debate. The testis produces significant amounts of oestrogenic hormones, via …

The epoxide hydrolases (EHs) are enzymes present in all living organisms, which transform
epoxide containing lipids by the addition of water. In plants and animals, many of these lipid …

Abstract The Male Athlete Triad is a medical syndrome most common in adolescent and
young adult male athletes in sports that emphasize a lean physique, especially endurance …

Obesity, increasing in prevalence globally, is the clinical condition most strongly associated
with lowered testosterone concentrations in men and presents as one of the strongest …

The endocrinology of the aging male is complex, with multiple hormones along the
hypothalamic-pituitary-testicular (HPT) axis interacting with one another in feedback. As men …

OBJECTIVES: Androgens are essential for the development and growth of the penis, and
they regulate erectile physiology by multiple mechanisms. Our goal is to provide a concise …

Context: Doping with anabolic androgenic steroids (AAS) both in sports (especially power
sports) and among specific subsets of the population is rampant. With increasing availability …