Testosterone

Testosterone is a steroid hormone from the androgen group. In mammals, testosterone is primarily secreted in the testes of males and the ovaries of females, although small amounts are also secreted by the adrenal glands

Testosterone Physiological Effects

Testosterone is the principle male sex hormone and is responsible for reproductive growth and development in male vertebrates.

Testosterone Biochemistry

What is Testosterone?

Testosterone Mechanism

Testosterone Treatments

Testosterone Replacement Therapy for Men: Risks and Benefits

Latest Testosterone News and Research

Excess total body fat in girls may affect puberty timing, hormones and breast maturation

Puberty looks different, in terms of both reproductive hormones and breast maturation, in girls with excess total body fat, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

25 Feb 2021

Exercise training improved artery health and function in middle-aged and older men

Twelve weeks of exercise training improved artery health and function in middle-aged and older men (ages 50-70 years) with low-to-normal testosterone levels, while testosterone therapy provided no benefits to the arteries, according to new research published today in Hypertension, an American Heart Association journal.

22 Feb 2021

Research shows link between puberty testosterone levels and the brain’s response to faces

Young men with lower testosterone levels throughout puberty become more sensitive to how the hormone influences the brain’s responses to faces in adulthood, according to new research published in JNeurosci.

12 Feb 2021

Flurry of bills aim to set limits on transgender kids – and their doctors

Sam Edelman felt like a girl for as long as he could remember, his dad said. As Sam's 18th birthday approached, and after years of researching hormone treatments, the high school senior scheduled an appointment with a doctor who treats transgender people.

11 Feb 2021

Study shows relation between mothers' income level and children's finger length

Low-income mothers feminize their children in the womb by adjusting their hormones, whereas high-income mothers masculinize their children, a major study based on finger length, led by a Swansea University expert, has found.

9 Feb 2021

Study shows that human hormones also follow a seasonal pattern

Our minds may be affected by winter's long nights or spring's flowers, but what about our bodies? A new study at the Weizmann Institute of Science reveals that our hormones also follow a seasonal pattern.

4 Feb 2021

Women are less likely to undergo CABG, may experience worse outcomes after surgery

Women are significantly less likely than men to undergo coronary artery bypass grafting (CABG) using guideline-recommended approaches, which may result in worse outcomes after surgery, according to a scientific presentation at the 57th Annual Meeting of The Society of Thoracic Surgeons.

31 Jan 2021

Mediterranean diet has the potential to effect progression of prostate cancer

In a study to examine a Mediterranean diet in relation to prostate cancer progression in men on active surveillance, researchers from The University of Texas MD Anderson Cancer Center found that men with localized prostate cancer who reported a baseline dietary pattern that more closely follows the key principles of a Mediterranean-style diet fared better over the course of their disease.

7 Jan 2021

Inflammation marker linked to increased fatigue in prostate cancer patients treated with ADT

Prostate cancer is one of the most common cancers among men in the U.S. For many patients, hormone therapy is a treatment option.

4 Jan 2021

Researchers use poop samples to establish baselines for stress, reproduction in gray whales

Poop samples are an effective, non-invasive tool for monitoring gray whale reproduction, stress and other physiological responses, a new study from Oregon State University shows.

21 Dec 2020

FDA approves first oral drug for treating adult patients with advanced prostate cancer

Today, the U.S. Food and Drug Administration approved Orgovyx (relugolix) for the treatment of adult patients with advanced prostate cancer.

18 Dec 2020

Vitamin D deficiency could explain why autism spectrum disorder is more common in boys

A deficiency in Vitamin D on the mother's side could explain why Autism spectrum disorder is three times more common in boys, say researchers from The University of Queensland.

11 Dec 2020

Low testosterone can increase risk of severe COVID-19 in males

Researchers from the USA and Saudi Arabia describe the direct correlation between testosterone levels, inflammatory cytokines, disease progression, and worse outcomes in male COVID-19 patients.

4 Dec 2020

Computers could use subtle facial features to recognize congenital adrenal hyperplasia

Congenital adrenal hyperplasia (CAH) is a disorder that affects the adrenal gland's ability to release hormones that regulate the body's response to stress and illness.

18 Nov 2020

Two paralogous androgen receptor genes control social dominance

Rank in social hierarchy is a condition not solely claimed by humans. In the animal kingdom, male peacocks exhibit brightly colored plumes to illustrate dominance, and underwater, male fish show pops of bright colors to do the same.

11 Nov 2020

Dexamethasone drug may not benefit COVID-19 patients with diabetes or low albumin levels

A new discovery about how the body transports dexamethasone, a drug that can increase the survival chances of patients with severe COVID-19, suggests diabetes and other factors may reduce its potentially lifesaving effectiveness.

23 Oct 2020

Diet may help restore ovulation in women with polycystic ovary syndrome

The Mediterranean diet may be investigated as a possible treatment for polycystic ovary syndrome after mice with PCOS-like features of the condition were found to benefit from a similar diet.

21 Oct 2020

NIH awards $1.6 million for research on hormonal control of HIV latency

The National Institutes of Health has awarded $1.6 million to researchers at the George Washington University School of Medicine and Health Sciences for research on hormonal control of HIV latency.

20 Oct 2020

Androgen deprivation strategies could help mitigate SARS-CoV-2 infection

Since the beginning of the COVID-19 pandemic, researchers have noted that women are generally less severely affected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). This has led to the exploration into estrogen and androgens' role in the hyperinflammatory clinical phenotypes of COVID-19. A recent study published on the preprint server bioRxiv shows that drugs targeting androgens and TMPRSS2 inhibitors may potentially combat the pandemic.

20 Oct 2020

COVID-19 may deteriorate men's testosterone levels, new data suggests

For the first time, data from a study with patients hospitalized due to COVID-19 suggest that the disease might deteriorate men's testosterone levels.

28 Sep 2020

Testosterone

Overview

Testosterone Biochemistry

What is Testosterone?

Testosterone Mechanism

Feature Articles

Testosterone Treatments

Testosterone Replacement Therapy for Men: Risks and Benefits

Latest Testosterone News and Research

Excess total body fat in girls may affect puberty timing, hormones and breast maturation

Exercise training improved artery health and function in middle-aged and older men

Research shows link between puberty testosterone levels and the brain’s response to faces

Flurry of bills aim to set limits on transgender kids – and their doctors

Study shows relation between mothers' income level and children's finger length

Study shows that human hormones also follow a seasonal pattern

Women are less likely to undergo CABG, may experience worse outcomes after surgery

Mediterranean diet has the potential to effect progression of prostate cancer

Inflammation marker linked to increased fatigue in prostate cancer patients treated with ADT

Researchers use poop samples to establish baselines for stress, reproduction in gray whales

FDA approves first oral drug for treating adult patients with advanced prostate cancer

Vitamin D deficiency could explain why autism spectrum disorder is more common in boys

Low testosterone can increase risk of severe COVID-19 in males

Computers could use subtle facial features to recognize congenital adrenal hyperplasia

Two paralogous androgen receptor genes control social dominance

Dexamethasone drug may not benefit COVID-19 patients with diabetes or low albumin levels

Diet may help restore ovulation in women with polycystic ovary syndrome

NIH awards $1.6 million for research on hormonal control of HIV latency

Androgen deprivation strategies could help mitigate SARS-CoV-2 infection

COVID-19 may deteriorate men's testosterone levels, new data suggests

What makes viruses infectious?

Disinfectants could be helping bacteria to become resistant

Climate change may have contributed to the COVID-19 pandemic

Testosterone

Overview

Feature Articles

Testosterone Treatments

Testosterone Replacement Therapy for Men: Risks and Benefits

Latest Testosterone News and Research

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