News tagged with male hormones
Related topics: prostate cancer
Family composition determines success of great tit parents
Great tits who have as many sons as daughters acquire more grandchildren than great tits with an uneven family composition. That is because their children are reproductively more successful concludes NWO researcher Reinder ...
Dec 19, 2011 |
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Elaborate plumage due to testosterone?
(PhysOrg.com) -- In many bird species males have a more elaborate plumage than females. This elaborate plumage is often used to signal body condition, to intimidate rivals or to attract potential mates. In ...
Oct 21, 2011 |
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Researchers reveal first autism candidate gene that demonstrates sensitivity to sex hormones
George Washington University researcher, Dr. Valerie Hu, Professor of Biochemistry and Molecular Biology, and her team at the School of Medicine and Health Sciences, have found that male and female sex hormones regulate expression ...
Feb 16, 2011 |
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Scientists find key protein that suppresses prostate cancer growth in the laboratory
(PhysOrg.com) -- Cancer researchers have discovered an important protein, produced naturally inside cells, that appears to suppress the growth of prostate cancer cells in the laboratory. The findings, published ...
Jan 31, 2011 |
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Genetic alteration linked with human male infertility
One in seven couples worldwide has difficulty conceiving a child, and male infertility is thought to account for nearly half of those cases. Although the cause of male infertility is often unknown, scientists ...
Sep 30, 2010 |
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Hormone treatment to prevent ambiguous genitalia in baby girls spurs debate
\Each year in the United States, perhaps a few dozen pregnant women learn they are carrying a fetus at risk for a rare disorder known as congenital adrenal hyperplasia. The condition causes an accumulation of male hormones ...
Aug 15, 2010 |
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Prostate cancer study's dramatic results
(PhysOrg.com) -- The risk of death for men suffering from locally advanced or high-risk prostate cancer could be dramatically cut, according to a new international study involving Cardiff University.
Jun 30, 2010 |
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Some males react to competition like bonobos, others like chimpanzees
The average man experiences hormone changes similar to the passive bonobo prior to competition, but a "status-striving" man undergoes changes that mirror those found in a chimpanzee, say researchers from Duke and Harvard ...
Jun 28, 2010 |
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Women with polycystic ovary syndrome have higher BPA blood levels
Women with the polycystic ovary syndrome (PCOS), the most common hormone imbalance in women of reproductive age, may be more vulnerable to exposure to the chemical bisphenol A (BPA), found in many plastic household items, ...
Medicine & Health / Diseases, Conditions, Syndromes
Jun 21, 2010 |
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Gender-bending fish problem in Colorado creek mitigated by treatment plant upgrade
Male fish are taking longer to be "feminized" by chemical contaminants that act as hormone disrupters in Colorado's Boulder Creek following the upgrade of a wastewater treatment plant in Boulder in 2008, according ...
Jun 21, 2010 |
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Male sex hormones in ovaries essential for female fertility
Male sex hormones, such as testosterone, have well defined roles in male reproduction and prostate cancer. What may surprise many is that they also play an important role in female fertility. A new study finds that the presence ...
Medicine & Health / Medical research
May 26, 2010 |
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Testosterone directly amplifies but does not program male behaviors
New research uncovers some surprising information about how sex hormones control masculinization of the brain during development and drive gender related behaviors in adult males. The study, published by Cell Press in the ...
Medicine & Health / Neuroscience
Apr 28, 2010 |
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Does a man's estrogen level impact his risk of prostate cancer?
A high level of one type of estrogen in a man's body might increase his risk of developing prostate cancer. That is one surprising conclusion from a new study which also offers another novel finding - that high levels of ...
Apr 19, 2010 |
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New targeted therapy effective in treating advanced prostate cancer
An experimental drug is showing promise for the treatment of men with an aggressive form of advanced prostate cancer. A new multicenter study has concluded that the targeted therapy MDV3100 is safe and effective for patients ...
Apr 14, 2010 |
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Gender-biased heart damage
A man's male hormones may ward off heart damage by helping vessels around the heart regenerate, suggest Australian researchers in a report posted January 13 in the Journal of Experimental Medicine.
Medicine & Health / Medical research
Jan 13, 2010 |
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