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.

Sustained high progesterone during pregnancy can improve menstrual cyclicity in PCOS patients

Polycystic ovary syndrome (PCOS) affects 6%−20% of reproductive-aged women, and is commonly accompanied by irregular menstrual cycles and anovulatory infertility.

11 Feb 2026

Stress hormones rewire immune system during periods of food scarcity

When food is scarce, stress hormones direct the immune system to operate in "low power" mode to preserve immune function while conserving energy, according to researchers at Weill Cornell Medicine.

10 Feb 2026

Football finals push devoted fans’ bodies into overdrive

The study examines football fever, highlighting how emotional engagement elevates heart rates and stress levels in devoted fans during matches.

10 Feb 2026

Historical redlining's impact on breast cancer survival changes over time

Historical redlining, a 1930s–1960s residential segregation policy, has been linked to shorter survival time in people with breast cancer.

9 Feb 2026

Skin-delivered estrogen improves bone health in amenorrhoa

Hormone replacement therapy applied via the skin is the best way of protecting bone density in women whose periods have stopped due to anorexia or intense exercise, according to new research from Imperial College London and Imperial College Healthcare NHS Trust.

6 Feb 2026

New meta-analysis challenges claims of athletic advantage for transgender women

A meta-analysis of 52 studies reveals insights into body composition and fitness in transgender athletes, challenging assumptions about competitive advantage.

6 Feb 2026

Why “low testosterone” has become a profitable masculinity crisis online

Social media's portrayal of low testosterone transforms masculinity into a marketable issue, linking health interventions to male identity and performance.

6 Feb 2026

Maternal perinatal depression linked to autistic traits in toddlers

A research team from the Department of Psychiatry at Tohoku University, led by Dr. Zhiqian Yu and Professor Hiroaki Tomita, has uncovered compelling evidence that maternal perinatal depression - psychological distress occurring during pregnancy or postpartum - elevates the risk of autistic-related traits in toddlers, with a particularly strong impact on girls.

5 Feb 2026

Hormone therapy reduces abnormal nerve growth in chronic back pain

Low back pain (LBP) is one of the most common health problems worldwide, affecting people of all ages and placing a heavy burden on healthcare systems. Many patients experience persistent discomfort that interferes with work, sleep, and daily activities.

4 Feb 2026

Natural ovulation offers a safer path to IVF success

Researchers compare the effects of natural ovulation and external hormone replacement regimens for preparing the uterus before frozen embryo transfer.

4 Feb 2026

Engineered liver tissue model mimics early metabolic liver disease

More than 100 million people in the United States suffer from metabolic dysfunction-associated steatotic liver disease (MASLD), characterized by a buildup of fat in the liver.

3 Feb 2026

Estrogen levels in the brain may play a role in women’s risk of stress-related memory problems

Experiencing multiple acute stresses at the same time, as in natural disasters or mass shootings, can leave lasting memory scars.

3 Feb 2026

Self-employment increases stress even after controlling for genetics

The link between self-employment and stress is confirmed by twin studies, showing higher stress levels tied to long hours, urging a focus on work-life balance.

3 Feb 2026

Low-intensity pulsed ultrasound shows promise for ovarian function restoration

Announcing a new article publication for BIO Integration journal. Premature ovarian insufficiency (POI) is a complex endocrine disorder characterized by premature depletion of ovarian follicles, and resulting in ovarian failure and decreased fertility.

3 Feb 2026

MRI scans reveal human brain growth from pregnancy through birth

Analyzing brain growth across pregnancy and early life, this study offers new insights into sex-specific development and its implications for neurodevelopment.

3 Feb 2026

New prevention strategy can reduce deadly ovarian cancer risk by nearly 80%

A prevention strategy developed by Canadian researchers can reduce the risk of the most common and deadly form of ovarian cancer by nearly 80 per cent, according to a new study published today in JAMA Network Open by researchers at the University of British Columbia (UBC).

2 Feb 2026

Oxybutynin shows promise in managing hot flashes for prostate cancer patients

A national clinical trial led by the Alliance for Clinical Trials in Oncology has found that oxybutynin, a drug often used to treat overactive bladder symptoms, reduces hot flashes compared to the placebo in men receiving hormone therapy for prostate cancer.

2 Feb 2026