News tagged with fertile males
Cola and unhealthy lifestyle lower sperm count
(PhysOrg.com) -- A Danish study suggests drinking a lot of cola regularly could men’s lower sperm count by almost 30 percent. The culprit does not appear to be caffeine, since coffee did not have the same ...
Mar 31, 2010 |
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Sex Talk Revelations of the Lonely Y Chromosome
(PhysOrg.com) -- In the week that the University of Leicester celebrates the 25th anniversary of the discovery of DNA fingerprinting (Thursday September 10) new findings from the world-renowned University of Leicester Department ...
Sep 09, 2009 |
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Men can rest easy -- sex chromosomes are here to stay
Fears that sex-linked chromosomes, such as the male Y chromosome, are doomed to extinction have been refuted in a new genetic study which examines the sex chromosomes of chickens.
May 08, 2012 |
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Crickets show path to chirpier sperm
New research suggests that men are what they eat, at least when it comes to reproductive health.
Jul 18, 2011 |
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Skeleton regulates male fertility
Researchers at Columbia University Medical Center have discovered that the skeleton acts as a regulator of fertility in male mice through a hormone released by bone, known as osteocalcin.
Medicine & Health / Medical research
Feb 17, 2011 |
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Good males are bad fathers
Contrary to predictions, males of high genetic quality are not very successful when it comes to fertilizing eggs. A new study on seed beetles by Swedish and Danish scientists Göran Arnqvist and Trine Bilde shows that when ...
Jun 25, 2009 |
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Laptops Linked to Male Infertility
While fatherhood might be far from the minds of most young men, behavior patterns they establish early on may impact their ability to become a dad later in life. Excessive laptop use tops this list of liabilities, ...
Jun 12, 2009 |
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Study links water pollution with declining male fertility
New research strengthens the link between water pollution and rising male fertility problems. The study, by Brunel University, the Universities of Exeter and Reading and the Centre for Ecology & Hydrology, shows for the first ...
Jan 19, 2009 |
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Chickens eject sperm from males they don't fancy
New research finds that even though hens aren't terribly picky about their mates, they are picky about whose sperm makes it to the egg.
Aug 25, 2011 |
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UCLA lens-free telemedicine microscope adds male fertility testing to its bag of tricks
Using holographic imaging system, the microscope can produce phase and amplitude images of semen samples in the field and identify which are moving and which are immotile.
Chemistry / Analytical Chemistry
Oct 11, 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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'The pill' for him: Scientists find a hormonal on-and-off switch for male fertility
A new research report published in the December 2009 print issue of The FASEB Journal could one day give men similar type of control over their fertility that women have had since the 1960s. That's because scientists have f ...
Medicine & Health / Medical research
Nov 30, 2009 |
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Couples to rely on male contraceptive for new trial
(PhysOrg.com) -- Couples are being asked to replace their usual form of birth control with a new male contraceptive in a study to test its effectiveness.
Medicine & Health / Medical research
May 20, 2009 |
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Solving the mystery of what puts sperm 'in the mood'
In a potential advance toward a male contraceptive pill and new treatments for infertility, researchers are reporting the identification of key biochemical changes that put sperm “in the mood” for fertilization.
Apr 08, 2009 |
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Gene-engineered flies are pest solution
For the first time, male flies of a serious agricultural pest, the medfly, have been bred to generate offspring that die whilst they are still embryos. Researchers writing in the open access journal BMC Biology describe the ...
Biology /
Jan 27, 2009 |
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