Latest

hormones

·May 13, 2025·6 min read

Hormone Cycles Reshape the Brain and Boost Learning

A new study reveals that natural hormone fluctuations during the estrous cycle dramatically alter neuron structure and activity in the mouse hippocampus, a brain region key to learning and memory. Using advanced laser microscopy, researchers observed that high estrogen levels increase dendritic spine density and enhance signal propagation in neurons—both critical for synaptic plasticity.

Featured Genetics Neuroscience Psychology

·February 18, 2025·4 min read

Prenatal Stress Hormones Alter Brain Development

Environmental factors like stress and medication exposure during pregnancy can shape brain development, but the mechanisms remain unclear. Researchers used brain organoids to study the effects of synthetic glucocorticoids, commonly given to prevent complications in premature births.

This shows a pregnant woman and a brain.

Featured Neuroscience Psychology

·January 30, 2025·6 min read

Blood Test May Predict Postpartum Depression Through Hormone Levels

Women who develop postpartum depression (PPD) may have distinct neuroactive steroid levels during the third trimester of pregnancy. A study found that those with PPD had lower levels of pregnanolone, which reduces stress, and higher levels of isoallopregnanolone, which increases stress.

Featured Neuroscience Psychology

·May 26, 2024·7 min read

Gut Bacteria Gas Linked to Pregnancy Hormone, Mood Regulation, and PPD

Researchers discovered that gut bacteria produce a hormone involved in pregnancy and postpartum depression treatment by modifying steroids in bile. This research highlights the microbiome's role as an endocrine organ influencing human health.

Featured Genetics Neuroscience

·May 15, 2024·5 min read

New Hormone Discovery Explains Monogamy

Researchers found that a hormone-producing cell in the adrenal glands may explain why oldfield mice are monogamous while their close relatives are promiscuous. This hormone, 20⍺-OHP, boosts nurturing behavior, suggesting a link to monogamy.

Featured Neurology Neuroscience

·October 31, 2023·4 min read

Hormonal Link in Alcohol Withdrawal Headaches

Alcohol use disorder impacts 283 million individuals globally, with limited therapeutic options. Researchers discovered a significant connection between the stress hormone, corticotropin-releasing factor (CRF), and alcohol-withdrawal headaches.

Featured Neuroscience Psychology

·February 3, 2023·7 min read

Kisspeptin Hormone Injection Could Treat Low Sex Drive in Women and Men

A shot of the kisspeptin hormone can boost sexual desire in both men and women with hypoactive sexual desire disorder.

Featured Neuroscience

·November 15, 2022·4 min read

How Hormonal Birth Control May Affect the Adolescent Brain

Hormonal contraception disrupts signal transmission between cells in the prefrontal cortex of adolescents. Hormonal birth control also elevates levels of stress hormones in the brain.

Featured Neurology Neuroscience

·September 12, 2022·5 min read

Exercise Hormone Halts Parkinson’s Disease Symptoms

Irisin, a hormone secreted into the blood during high endurance and aerobic exercise, reduces levels of alpha-synuclein and restores movement in mouse models of Parkinson's disease.

Featured Neuroscience Open Neuroscience Articles Psychology

·June 13, 2022·6 min read

Suicidal Thoughts and Behaviors Linked to Hormone-Sensitive Brain Disorder

A new study reveals that 34% of people with premenstrual dysphoric disorder (PMDD) have attempted suicide. Researchers say PMDD is an independent contributor to suicidal thoughts and behaviors.

This shows an interlinked male and female symbol

Featured Neuroscience Psychology

·May 23, 2022·1 min read

Gender-Affirming Hormone Therapy Has a Positive Impact on Well-Being

Researchers report that gender-affirming hormone therapy improves both physical and psychological satisfaction for those who use the treatment to attain their true gender identity.