Testosterone News and Research

RSS

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

Intermittent Fasting Alters Serotonin Levels to Boost Male Mice's Libido

Long-term fasting in 24-hour cycles increases the sex drive of male mice by lowering the concentration of the neurotransmitter serotonin in the brain.

29 Mar 2025

Study Reveals How Male Ruff Birds Use a "Super Enzyme" to Tame Excess Testosterone

We normally associate high testosterone levels with male dominance and aggression. Among ruffs – a shore bird that breeds across Europe and Asia – some males suffer from too much of it.

24 Jan 2025

Microbial Enzyme From Sewage Sludge Offers Hope for Plastic Waste Reduction

Plastic pollution is everywhere, and a good amount of it is composed of polyethylene terephthalate. This polymer is used to make bottles, containers and even clothing.

4 Oct 2024

Unveiling Progesterone's Impact on Cancer Immunosuppression

Researchers turned to pregnancy to explore why some cancers successfully evade the immune system and grow unchecked.

9 Jul 2024

Scientists Discover New Pathway for Biosynthesis of Cardenolides in Plants

Scientists at the Max Planck Institute for Chemical Ecology in Jena are investigating the previously largely unknown biosynthetic pathway that leads to the formation of cardenolides in plants.

19 Sep 2023

Hormone Testosterone Alters Electric Fish's Ability to Ignore Its Own Signals

During the rainy breeding season, the underwater "conversation" among electric fish changes. Fish revved up to make a match broadcast slightly different signals to advertise their presence and identify compatible mates.

17 Aug 2023

Discovering Age and Sex-Specific Obesity Genes in the Genome

Right from impacting how the human body stores fat to how the brain regulates appetite, hundreds of genes, together with environmental factors, jointly identify weight and body size.

3 Aug 2023

First Humanized Mouse Model for Congenital Adrenal Hyperplasia Developed

Mice with a defected human gene responsible for a rare genetic disease, called congenital adrenal hyperplasia, have been developed for the first time.

16 May 2023

Prime Target for Male Contraceptive Development Identified

As far as a highly effective, reversible, and non-hormonal male contraceptive for humans and animals is concerned, the discovery of a gene in multiple mammalian species could set the stage.

18 Apr 2023

Identifying biomarkers that help treat fatty liver patients with a personalized diet

Recent research from the University of Jyväskylä contrasted the gut microbiota and gut-derived metabolites of healthy controls and fatty liver patients. The findings show that some microbial metabolites are linked to liver fat content.

23 Mar 2023

Potential approach for mitigating ALS pathogenesis

Every year, 5,000 people in the United States are diagnosed with ALS, an incurable neurodegenerative disease that will destroy them within two to five years.

8 Feb 2023

Regulating cholesterol production with novel protein

Everyone must have heard about cholesterol and how important it is to eat heart-healthy meals to keep it under control.

From The University of New South Wales (UNSW) 8 Nov 2022

Dads' close involvement during adolescence can have a lasting impact on sons' testosterone production

University of Notre Dame Associate Professor of Anthropology Lee Gettler and his collaborators have drawn on data collected over more than 30 years from almost 1,000 men in the Philippines to help shed light on the importance of adolescence and father-son experiences to sons' adult testosterone patterns.

2 Jun 2022

Researchers successfully generated Leydig cells from human iPS cells

Scientists recently succeeded in creating Leydig cells from human induced pluripotent stem (iPS) cells.

2 Dec 2021

De Novo Mutations may Play a Role in Male Infertility

In this interview, we speak to Dr. Miguel J. Xavier about his latest research into male infertility and how de novo mutations may play a part.

From Newcastle University 19 Nov 2021

Researchers provide novel treatment target for common skin condition

Recent research indicates that a familiar inflammatory skin condition might arise due to inadequately regulated sex hormones.

23 Sep 2021

More informed choices of contraceptives can prevent breast cancer

Hormonal contraceptives, e.g. the pill, the patch, and the vaginal ring, contain synthetic hormones that prevent pregnancy by either stopping ovulation, changing the cervical mucus to stop sperm from passing through the cervix and finding an egg, or changing the womb's lining to prevent a fertilized egg from being implanted in it.

31 May 2021