The anti-obesity medication semaglutide may help to prevent heart attacks, strokes, and other major adverse cardiovascular events (MACE) as well as death in adults with overweight or obesity who don't have diabetes, whether ...
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Hormone therapy (HT) is associated with significantly reduced insulin resistance in healthy postmenopausal women, according to a study presented at the annual meeting of the Menopause Society, held from Sept. 10 to 14 in ...
16 hours ago
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Menopausal hormone therapy (HT) usage rates declined from 2007 to 2023 and remain low, according to a study presented at the annual meeting of The Menopause Society, held from Sept. 10 to 14 in Chicago.
21 hours ago
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The Menopause Society's 2022 Hormone Therapy Position Statement advises that women aged older than 65 years can continue using hormone therapy (HT) with appropriate counseling and risk assessment. A new retrospective analysis ...
Sep 10, 2024
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Nocturnal hot flashes are disruptive regardless of when they occur during the night. A new study suggests that more hot flashes occur during the second half of the night when more REM sleep typically occurs and when such ...
Sep 10, 2024
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Recent studies show that women can experience bothersome menopause symptoms, like hot flashes, for longer than originally estimated. As a result, more research is focusing on the long-term effects of hormone therapy. A new ...
Sep 10, 2024
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Nonhormone options for hot flashes and other menopause symptoms are growing in popularity, especially for women who cannot take hormones due to health complications. Cognitive behavioral therapy and clinical hypnosis are ...
Sep 10, 2024
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According to two international studies presented at the ESMO Congress 2024, women who breastfeed after receiving treatment for breast cancer, including those with a germline BRCA mutation (an inherited change in BRCA genes ...
Sep 9, 2024
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Hormones (from Greek ὁρμή - "impetus") are chemicals released by cells that affect cells in other parts of the body. 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. All multicellular organisms produce hormones; plant hormones are also called phytohormones. Hormones in animals are often transported in the blood. Cells respond to a hormone when they express a specific receptor for that hormone. The hormone binds to the receptor protein, resulting in the activation of a signal transduction mechanism that ultimately leads to cell type-specific responses.
Endocrine hormone molecules are secreted (released) directly into the bloodstream, while exocrine hormones (or ectohormones) are secreted directly into a duct, and from the duct they either flow into the bloodstream or they flow from cell to cell by diffusion in a process known as paracrine signalling.
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