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

Fracking chemical may interfere with reproductive hormones in men

A chemical used in hydraulic fracturing, commonly called fracking, has the potential to interfere with reproductive hormones in men, according to research accepted for presentation at ENDO 2020, the Endocrine Society's annual meeting, and publication in a special supplemental section of the Journal of the Endocrine Society.

31 Mar 2020

New viable therapeutic strategy found for ER+ breast cancer

Researchers say they have found a viable new therapeutic strategy for estrogen receptor-positive (ER+) breast cancer, even cancers that are resistant to current standard of care treatments.

31 Mar 2020

Men with erectile dysfunction have higher risk of death, study suggests

Men with erectile dysfunction have a higher risk of death, regardless of their testosterone levels, suggests a study accepted for presentation at ENDO 2020, the Endocrine Society's annual meeting, and publication in a special supplemental section of the Journal of the Endocrine Society.

31 Mar 2020

Potential new method of breast cancer treatment using androgen receptor

Scientists may have discovered a new therapeutic approach to treat ER+ breast cancer using androgen receptor-stimulating drugs.

31 Mar 2020

$Health concerns over fracking chemical that may cause adverse effects in male sex hormones$

Health concerns over fracking chemical that may cause adverse effects in male sex hormones

A study has found that fracking chemicals can interfere with male sex hormones and possibly cause adverse health effects.

31 Mar 2020

Child’s scent tells mom how development is proceeding

Mothers do know best – or at least their noses do, according to a new study published in the journal Frontiers in Psychology in March 2020. Of course, mothers and others love smelling the sweet smell of a healthy, clean baby. However, more than just the pleasure of that body smell, complex nose-brain interactions seem to be telling mothers more about what stage of development the child is at, according to these researchers.

4 Mar 2020

Sex-specific differences in the immune system may explain men's susceptibility to obesity

Melbourne researchers have uncovered important differences between the male and female immune system which may explain why men are more susceptible to obesity and metabolism-related associated diseases, such as heart disease, stroke and diabetes.

26 Feb 2020

Healthy diet, healthier sperm, greater fertility

A new study published in the journal JAMA Network Open in February 2020 reports that Danish men who followed a healthy diet had the highest total sperm counts, and a better hormonal profile concerning hormonal regulators of fertility, compared to those on a Western or other less healthy types of diet.

23 Feb 2020

UGA historian shines light on the evolutionary purpose of menopause

Menopause- that time in every woman's life when the ovaries no longer release an egg each month and menstruation ceases forever- is a rare thing among Earth's infinitely varied creatures.

18 Feb 2020

Nutrition researcher shows how foods affect our hormones and health

Nutrition researcher and New York Times bestselling author Neal Barnard, MD, demonstrates how foods affect our hormones--and our health--in his new book, Your Body in Balance.

13 Feb 2020

High testosterone in women ups risk for cancer, diabetes, and metabolic disease

Testosterone is a steroid hormone that triggers the development of male secondary sex characteristics. Though found mainly in men, the ovaries in women release small amounts of testosterone. When combined with estrogen, testosterone aids in the growth and repair of a woman's reproductive tissues.

12 Feb 2020

Age of puberty in girls the world over becoming lower

A new study on the age of initial breast development as the first sign of puberty in girls shows that over the last 40 years, this has come down by an average of 3 months per decade. The study is published in the journal Pediatrics.

11 Feb 2020

UTHSC researchers receive $1.98 million grant for novel approach to studying diabetes

A team of researchers in the University of Tennessee Health Science Center's College of Medicine has been awarded a $1.98 million grant from the National Institute of Diabetes and Digestive and Kidney Disease, a division of the National Institutes of Health, for a novel approach to studying diabetes.

3 Feb 2020

Puberty blockers reduce suicidal ideations among transgender teens

Transgender teens have a higher risk of having suicidal ideations, reports the U.S. Centers for Disease Control and Prevention (CDC). A new study suggests that having access to puberty blockers can significantly reduce the risk of suicide and other mental health issues.

26 Jan 2020

Adolescents with PCOS and obesity have more 'unhealthy' gut bacteria

Teens with obesity and polycystic ovary syndrome have more "unhealthy" gut bacteria suggesting the microbiome may play a role in the disorder, according to new research published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism.

23 Jan 2020

Fish oil supplements could benefit testicular function in healthy men finds study

A large Danish study has shown that fish oil supplements taken by healthy men of the reproductive age could help improve their testicular function as is evidenced by their semen quality and reproductive hormone levels. The study led by researcher Tina Kodd Jensen, titled, “Associations of Fish Oil Supplement Use With Testicular Function in Young Men,” was published this week in the latest issue of the JAMA.

19 Jan 2020

Low-fat diet associated with reduction in testosterone among men

For the many men diagnosed with testosterone deficiency, losing weight can help increase testosterone levels.

11 Jan 2020

First-ever genomic analysis of puberty yields insights into critical areas of human health

In the first-ever genome-scale analysis of the puberty process in humans, researchers at Huntsman Cancer Institute at the University of Utah outline distinct and critical changes to stem cells in males during adolescence.

9 Jan 2020

Administering enzalutamide results in significant increase in PSMA density on tumor surface

When a non-scientist tries to imagine a scientist, the image that often arises is one of a somewhat remote, rather idealistic genius sitting alone in their room or laboratory and somehow discovering the most amazing things without every having contact with the 'normal' world.

9 Jan 2020