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Team sport compensates for oestrogen loss

When women enter menopause, their oestrogen levels taper. This increases their risk of cardiovascular disease. New research from University of Copenhagen shows that interval-based...

Exercise-estrogen connection may help lower breast cancer risk

Changes in the way the body breaks down estrogen may be one of the ways exercise cuts a woman's breast cancer risk. This according to...

Too much of a good thing: Important mechanism in hormone-sensitive breast...

Two thirds of breast cancers are ERalpha-positive, i.e., many estrogen receptors of the ERalpha- type are found in their cells. "These molecules can interact with the estrogen hormone and, thus, even lead to cancer," explains Dr. Joerg Hoheisel; mol...

Infant estrogen levels tracked through diaper research

With the help of babies and more than 5,000 of their diapers, Emory University researchers have developed an accurate, noninvasive method to determine estrogen levels in infants. The method, previously used in nonhuman primates, will allow re...

PET scans reveal estrogen-producing hotspots in human brain

UPTON, NY - A study at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory has demonstrated that a molecule "tagged" with a radioactive form of carbon can be used to image aromatase, an enzyme responsible for the production of estro...

Estrogen replacement therapy speeds ovarian cancer growth, new study reports

Aurora, Colo. (Oct. 19, 2010) -- Estrogen therapy used by menopausal women causes a type of ovarian cancer to grow five times faster, according to a new study by researchers at the University of Colorado Cancer Center. Menopausal estrogen replace...

Scripps Research study challenges conventional theory of modern drug design

JUPITER, Fl, October 7, 2010 -- Scientists from The Scripps Research Institute have uncovered new evidence that challenges the current theory about a process key to the way modern drugs are designed and how they work in the human body. The new st...

Combined hormone replacement therapy boosts stroke, dementia

Last March, a multi-center national study made headlines by concluding that taking a combination of the hormones estrogen and progestin did not improve the quality of life for women who are free of menopause-related symptoms but did expose them to a slightly higher risk of heart attacks, strokes and breast cancer. For that reason, many medical scientists began recommending against the combined therapy in the absence of such symptoms, saying the risks of estrogen plus progestin outweighed the benefits.

Estrogen plus progestin not helpful to quality of life in postmenopausal...

Taking a combination of the hormones estrogen and progestin does not improve the quality of life for women who are free of menopause-related symptoms, but does expose them to a slightly higher risk of heart attacks, strokes and breast cancer, a new multi-center national study concludes. For that reason, medical scientists now recommend against the combined therapy in the absence of such symptoms.

Link found between estrogen, changes in brain structure, and learning and...

Scientists have discovered how estrogen initiates physical changes in rodent brain cells that lead to increased learning and memory -- a finding, the researchers contend, that illustrates the likely value of the hormone to enhance brain functioning in women. Their study, published in the March 15 issue of The Journal of Neuroscience, describes for the first time a chain of molecular events that is activated in the brain's primary memory center, called the hippocampus, when estrogen bathes nerve cells.

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