Obesity causes insulin resistance by increasing activation of the sympathetic nervous system and the release of the stress hormone norepinephrine, according to a new study. A study from Rutgers Health ...
Do you know what your hormone levels are? Should you? Your body is home to more than 50 hormones — chemical messengers that compose the endocrine system — and hormonal changes may reflect any number ...
In a first-of-its-kind study comparing younger and older biological females, researchers at the University of Arizona examine how shifts in estrogen levels can alter the brain’s fear-circuitry — ...
This article was reviewed by Julia Switzer, MD, FACOG. Key Takeaways: Estrogen and progesterone are complementary reproductive hormones. Estrogen shapes everything from puberty to menstrual cycles to ...
Feb. 5, 2026 -- In 2025, the U.S. FDA removed the “black box” warnings from menopausal hormone therapy products – but what does that actually mean for patients? For decades, many women have navigated ...
A study from Rutgers Health and other institutions indicates that stress hormones – not impaired cellular insulin signaling – may be the primary driver of obesity-related diabetes. The paper in Cell ...
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