It is 2024. Direct-to-consumer testosterone replacement therapy advertisements on social
media are pervasive. Academic and private practice men's health centers are abundant�…

Testosterone deficiency affects large numbers of males and is often accompanied by
numerous bothersome signs and symptoms. The formulations of exogenous testosterone�…

Methods A literature review of PubMed from 1990-2013. Semen analysis and pregnancy
outcomes, time to recovery of spermatogenesis, serum and intratesticular testosterone levels�…

Abstract Introduction and Aim About 3 million men take testosterone in the United States with
many reproductive-age men unaware of the negative impact of testosterone�…

The use of testosterone in men has become extremely controversial over the past year.
Stakeholders in this topic include physicians who prescribe testosterone, patients—both�…

Testosterone is the treatment of choice for testosterone deficiency (defined as low serum
testosterone combined with symptoms of low testosterone) and hypogonadism (low�…

Testosterone deficiency is common among aging men and causes a variety of sexual,
psychological, and physical symptoms. The popularity of hormone replacement with steroids�…

Infertility is the inability to conceive after 12 months of unprotected intercourse.
Approximately 15% of couples have infertility, but only 1 in 5 of these couples seek�…

Purpose: Testosterone replacement therapy results in decreased serum gonadotropins and
intratesticular testosterone, and impairs spermatogenesis, leading to azoospermia in 40% of�…

The pursuit of longevity, which during the Renaissance era was limited to longing for
miraculous ways of rejuvenation, such as bathing in the fountain of youth, took a scientific�…