Hormone News and Research

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A hormone is a chemical released by one or more cells that affects cells in other parts of the organism. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another.

Testosterone does not alter economic decision making in men

Testosterone has long been linked to risk-taking, generosity, and competitiveness. But a new large-scale study - the biggest of its kind - finds that men given testosterone made the same economic choices as those given a placebo.

15 Oct 2025

Building muscle shown to protect against obesity-related organ damage

People with excess body fat who build and keep muscle may be less likely to develop obesity-induced heart, liver, or kidney damage or die early, according to a new study published in The Journal of Clinical Endocrinology & Metabolism.

15 Oct 2025

Low-fat vegan diet shown to reduce insulin use and costs in type 1 diabetes

A low-fat vegan diet that doesn't limit calories or carbohydrates could help people with type 1 diabetes reduce insulin use and insulin costs, according to new research by the Physicians Committee for Responsible Medicine published in BMC Nutrition.

15 Oct 2025

Estradiol and estriol may protect nerve function in multiple sclerosis

About 100,000 of the estimated million people in the United States with multiple sclerosis (MS) have a progressive form of the disease, with symptoms that worsen continuously or after periods of remission.

14 Oct 2025

Blocking two enzymes weakens prostate tumors and boosts drug effectiveness

A major international study has uncovered a new vulnerability in prostate cancer cells that could help improve treatment for one of the most common cancers affecting men.

13 Oct 2025

Maternal PFAS levels can predict children's brain structural and functional outcomes

Researchers from the University of Turku and Turku University Hospital, Finland, and örebro University, Sweden, have discovered that the levels of PFAS in mothers' blood during pregnancy is associated with their children's brain structure and function.

13 Oct 2025

Ketogenic diet protects young rats from effects of prenatal stress

Researchers have shown that young rats fed a ketogenic diet – a diet with high fat and low carbohydrates – are protected from the lasting experience of pre-natal stress.

12 Oct 2025

New insights into sperm metabolism could transform infertility treatments

Michigan State University scientists have pinpointed the molecular "switch" that supercharges sperm for their final sprint to an egg - a breakthrough that could reshape infertility treatments and pave the way for safe, nonhormonal male contraceptives.

10 Oct 2025

Lifestyle choices and hormonal imbalances can impact men's reproductive health

A new research paper was published in Volume 12 of Oncoscience on September 30, 2025, titled "Lifestyle and hormonal factors affecting semen quality and sperm DNA integrity: A cross-sectional study."

10 Oct 2025

Women show peak cognitive performance during ovulation but exercise matters more

Women performed best on cognitive tests during ovulation but physical activity level had a stronger influence on brain function, according to a new study from researchers at UCL.

9 Oct 2025

Using a lab-designed protein to regulate blood glucose levels

Researchers at the Indiana University School of Medicine have discovered a new way to regulate blood glucose levels using a lab-designed protein, possibly opening the door to a new treatment avenue for people with Type 1 diabetes.

9 Oct 2025

Perlmutter Cancer Center experts shine light on the rise of breast cancer in younger adults

Currently, breast cancer is the leading cause of cancer death in women age 20 to 49 in the United States. Compounding this concerning issue, younger patients are being diagnosed at more advanced stages, according to doctors at NYU Langone's Perlmutter Cancer Center, and this points to a greater need for screening, prevention, and breast cancer education.

9 Oct 2025

GLP-1 therapeutics may have the potential to treat alcohol and drug addiction

A popular class of therapies for treating diabetes and obesity may also have the potential to treat alcohol and drug addiction, according to a new paper published in the Journal of the Endocrine Society.

9 Oct 2025

Hormone replacement therapy may reverse menopause-related immune changes

A study led by researchers at Queen Mary University of London has found that hormone replacement therapy (HRT) may help reverse changes in the immune system caused by menopause, potentially booting immune health.

9 Oct 2025

Why protein powders can secretly cause doping bans

Adulterated protein supplements can lead to unintentional doping. This review outlines detection strategies and protective measures for athletes and clinicians.

9 Oct 2025

Changes in the gastric microbiota linked to growth of neuroendocrine tumors

Researchers from Osaka Metropolitan University have discovered how the balance of bacteria in the stomach affects the growth of neuroendocrine tumors (NETs).

8 Oct 2025

Surgical menopause associated with higher risk of workforce exit

Menopause before the age of 45 (known as early menopause) is associated with an increased risk of an array of serious diseases, including cardiovascular disease and osteoporosis.

8 Oct 2025

Discovery of vascular-associated fibroblastic cells opens new path for diabetes treatment

Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks the cells that produce insulin-a critical hormone that regulates blood sugar in the body.

8 Oct 2025

Kennesaw State researcher explores how hormones influence cancer development

Joanna Wardwell-Ozgo figures to work backward when determining the causes of cancer.

8 Oct 2025

Whole genome sequencing may guide care for thousands of breast cancer patients

Whole genome sequencing offered to breast cancer patients is likely to identify unique genetic features that could either guide immediate treatment or help match patients to clinical trials for over 15,000 women a year, say scientists at the University of Cambridge.

7 Oct 2025