News tagged with male reproductive
Workplace BPA exposure increases risk of male sexual dysfunction
Nov 11, 2009 |
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High levels of workplace exposure to Bisphenol-A may increase the risk of reduced sexual function in men, according to a Kaiser Permanente study appearing in the journal Human Reproduction.
Diabetes linked to male infertility; excess sugars in the body have direct effect on sperm quality
Jul 09, 2008 |
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Diabetes in men has a direct effect on fertility, a scientist told the 24th annual conference of the European Society of Human Reproduction and Embryology today. Dr. Con Mallidis from Queen's University, Belfast, UK, said ...
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Reproductive life of male mice is increased by living with females
Biology /
Jan 22, 2009 |
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Living with a female of its species can extend the reproductive life of a male mouse by a dramatic 20 percent, according to a study reported at the online site of the journal Biology of Reproduction.
Fetal study highlights impact of stress on male fertility
Oct 21, 2009 |
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Exposure to a combination of excess stress hormones and chemicals while in the womb could affect a man's fertility in later life, a study suggests.
Inbreeding insects cast light on longer female lifespans
Biology /
Feb 06, 2009 |
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Inbreeding can unexpectedly extend male lifespan. Insect experiments described in the open access journal BMC Evolutionary Biology have shown that, in seed beetles, inbreeding causes males to live longer, while shortening ...
Living with females extends the reproductive life of the male mouse
Biology /
Jan 22, 2009 |
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Living with a female mouse can extend the reproductive life of a male mouse by as much as 20 percent, according to a study conducted by Ralph Brinster and a team of other researchers at the University of Pennsylvania School ...
Courtship pattern shaped by emergence of a new gene in fruit flies
Biology /
May 26, 2008 |
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When a young gene known as sphinx is inactivated in the common fruit fly, it leads to increased male-male courtship, scientists report in the May 27, 2008, issue of the Proceedings of the National Academy of Sciences.
Small RNAs can play critical roles in male infertility/contraception
Apr 09, 2009 |
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University of Nevada School of Medicine scientists in the Department of Physiology and Cell Biology have discovered insight into the reproductive workings of the male sex chromosome that may have significant ...
Male fruit flies change to gain reproductive edge
Apr 14, 2009 |
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(PhysOrg.com) -- When it comes to wooing females, males of all species -- even fruit flies -- try to gain a competitive edge.
In the absence of sexual prospects, parasitic male worms go spermless
Biology /
Nov 10, 2008 |
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When females aren't around, one species of parasitic nematode worm doesn't even bother to make any sperm, reveals a new report in the November 11th issue of Current Biology, a Cell Press publication.
Variety is the spice of life: too many males, too little time...
Biology /
Apr 23, 2008 |
4.5 / 5 (4) |
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Female Australian painted dragon lizards are polyandrous, that is, they mate with as many males as they can safely get access to. This promiscuous behaviour is often found in species where male quality is dubious and there ...
Male seahorses like big mates
Jul 07, 2009 |
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Male seahorses have a clear agenda when it comes to selecting a mating partner: to increase their reproductive success. By being choosy and preferring large females, they are likely to have more and bigger eggs, as well as ...
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