Estradiol News and Research

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Estradiol is a sex hormone. Mislabelled the "female" hormone, it is also present in males; it represents the major estrogen in humans. Estradiol has not only a critical impact on reproductive and sexual functioning, but also affects other organs including the bones.

Study links hysterectomy and bilateral oophorectomy to higher stroke risk

Given the seriousness and increased frequency of strokes, many studies have been conducted to assess the relationship between hysterectomy and/or bilateral oophorectomy and the risk of stroke with varying results.

3 Sep 2025

Research reveals molecular details of ME/CFS and long COVID

Patients with chronic fatigue syndrome/myalgic encephalomyelitis (ME/CFS) have heightened innate immune responses to bacteria, viruses, and fungi. While these responses are essential to fight infection, they can cause damage when unchecked.

1 Sep 2025

Inherited DNA changes can cause hormone imbalance in women with polycystic ovary syndrome

Increased testosterone levels are a consistent hormonal abnormality in women with polycystic ovary syndrome (PCOS). This study identified specific DNA variants in the gene DENND1A, which increase testosterone production in PCOS.

29 Aug 2025

Hormone therapy type may influence postmenopausal cognitive health

The type of estradiol-based hormone therapy taken during and after menopause, such as patches or pills, may be associated with differences in memory performance, according to a study published on August 27, 2025, in Neurology, the medical journal of the American Academy of Neurology.

28 Aug 2025

Postmenopausal women with stroke history can safely use vaginal estrogen

Using vaginal estrogen tablets was not associated with an increased risk of recurrent ischemic stroke among postmenopausal women in a registry in Denmark, according to research published today in Stroke, the peer-reviewed scientific journal of the American Stroke Association, a division of the American Heart Association.

21 Aug 2025

Nigerian botanicals restore hormonal balance and fight menstrual pain in preclinical study

Researchers tested five Nigerian medicinal plants in female rats and found that these botanicals reversed MSG-induced hormonal imbalance, oxidative stress, and lipid disruptions linked to dysmenorrhea. The findings support further investigation of plant-based therapies for menstrual pain and related metabolic risks.

20 Jul 2025

Exposure to endocrine-disrupting chemicals in early life linked to cravings for sugary and fatty foods

Exposure to endocrine-disrupting chemicals in early life, including during gestation and infancy, results in a higher preference for sugary and fatty foods later in life, according to an animal study being presented Sunday at ENDO 2025, the Endocrine Society's annual meeting in San Francisco, Calif.

13 Jul 2025

Oxytocin may protect mood during sleep disruption in women

Oxytocin, often called "the love hormone," may play a protective role in mood disturbances triggered by sleep loss and hormonal shifts during key reproductive transitions like postpartum and menopause, according to a study being presented Saturday at ENDO 2025, the Endocrine Society's annual meeting in San Francisco, Calif.

12 Jul 2025

Probiotics improve ovarian damage in premature menopausal mice

Findings suggest probiotics could mitigate ovarian decline and improve microbiota in POI mice, paving the way for new treatments in women's health.

4 Jul 2025

Estrogen-responsive cells found to heighten gut pain in females

Researchers uncovered how estrogen heightens gut sensitivity in females by activating PYY-secreting L-cells, which stimulate serotonin release from EC cells. This paracrine circuit intensifies pain signaling and may explain the sex bias in conditions like IBS.

16 Jun 2025

Unlocking the secrets of human longevity and healthy aging

Human healthy aging and longevity are complex phenomena influenced by a dynamic interplay of genetic, epigenetic, metabolic, immune, and environmental factors.

22 May 2025

Combined oral contraceptive use associated with threefold increase in stroke risk in young women

New research presented today at the European Stroke Organisation Conference (ESOC) 2025 revealed that the use of combined oral contraceptives (OCs) is associated with a threefold increase in the risk of cryptogenic ischaemic stroke (CIS) in young women.

20 May 2025

Advanced microscopy reveals how hormonal fluctuations shape the brain

Hormone levels fluctuate like the tides, ebbing and flowing according to carefully orchestrated cycles.

13 May 2025

Low phosphate levels may help explain male infertility, study finds

Men with fertility problems were significantly more likely to have low blood phosphate levels, a mineral essential for energy and reproductive function. Researchers found lower phosphate was linked to poorer sperm motility, suggesting a possible pathway for new fertility treatments.

10 May 2025

Understanding the particle drifting effect with Dr. Na Li

Join Dr. Na Li as she explores the mysteries of the particle drifting effect and its practical applications in real-world scenarios.

From Pion Inc 5 May 2025

Ursolic acid modulates estrogen conversion to alleviate MASLD inflammation

The incidence of metabolic dysfunction-associated steatotic liver disease (MASLD) has been escalating annually, positioning it as the leading cause of chronic liver disease worldwide.

21 Apr 2025

Menstrual cycle may drive inflammation in women with sickle cell disease

A marker linked to inflammation, C-reactive protein, may increase significantly during the follicular phase of the menstrual cycle in female patients with sickle cell disease (SCD), according to emerging research published today in Blood Vessels, Thrombosis & Hemostasis.

9 Apr 2025

Global disparities in Alzheimer's and dementia burden linked to sociodemographic factors

An analysis of the global burden and temporal trends of Alzheimer's disease and other dementias (ADODs) reveals significant cross-country inequalities associated with a series of sociodemographic development-related risk factors, such as education, income, fertility, and health expenditure. The new study in the American Journal of Preventive Medicine, published by Elsevier, calls for the development of targeted prevention and control strategies in different countries.

11 Mar 2025

Hormones may drive the differences in opioid misuse between men and women

The opioid epidemic has claimed more than half a million lives in the U.S. since 1999, about three-quarters of them men, according to the National Institutes of Health.

10 Mar 2025

Higher menopausal symptom burden linked to cognitive decline and behavioral impairments

Women who exhibit more menopausal symptoms are more likely to later have poorer cognitive function and mild behavioral impairments – both markers of dementia.

5 Mar 2025