Sleep disturbances are a frequent complaint of women in the menopause transition and postmenopause. A new study demonstrates that women with premature ovarian insufficiency (POI) who are receiving hormone therapy have poorer ...
Jul 16, 2019
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Poor quality social relationships that contribute to psychosocial stress may be associated with bone loss in postmenopausal women, suggests research published online in the Journal of Epidemiology & Community Health.
Jul 09, 2019
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New research suggests that a particular type of carbohydrate plays an important role in regulating the blood pressure in the human body. This has been shown by researchers from the University of Copenhagen and Rigshospitalet ...
Jul 02, 2019
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Transgender care is swiftly evolving, and primary care providers face a greater need to be clear about their roles and when to seek the support of specialists, according to the latest review by Mount Sinai experts in the ...
Jul 01, 2019
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A collaborative study by a team of Connecticut researchers shows there is a strong connection between food insecurity and insulin resistance, the underlying problem in type 2 diabetes. Insulin resistance occurs when cells ...
Jun 26, 2019
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A research group from the Medical University of Vienna reports how the hormone leptin stimulates the liver to export lipids and reduce the fat production in the liver. This occurs due to the activation of neurons in the brain ...
Jun 21, 2019
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The impact of hormone therapy on the heart health of transgender men and women has been the subject of several studies published within the last year. But medical experts and researchers aren't ready to sound the alarm just ...
Jun 14, 2019
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Want to do something special for a father on June 16? Try asking him what he finds most rewarding—and most challenging—about being a dad.
Jun 12, 2019
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Women, beware: Sleeping with a light on or the TV going in your bedroom could make you put on weight.
Jun 10, 2019
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An unhealthy, inflamed gut causes breast cancer to become much more invasive and spread more quickly to other parts of the body, new research from the University of Virginia Cancer Center suggests.
Jun 10, 2019
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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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