Tag Archives | fertility

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TV watching a predictor of sperm count

Healthy young men who watch television for more than 20 hours a week have around half the sperm count of men who watch very little TV, say Harvard researchers in the British Journal of Sports Medicine. Previous fertility studies suggest that semen quality has deteriorated over the past few decades, but no specific cause has […]

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Sperm quality unaffected by lifestyle choices




Medical advice given to sub-fertile men about smoking, alcohol, drugs and obesity is of little value, say UK medicos who contend that many so-called lifestyle “risks” appear to have little or no effect on sperm health. The researchers behind the new findings, from the Universities of Manchester and Sheffield, say that infertility/lifestyle advice should accordingly […]




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Personality traits predict fertility




The reproductive success of both men and women is influenced by our personality traits, say University of Sheffield scientists who found that women with higher levels of neuroticism and extraverted men were likely to give birth to a larger number of children. The researchers also found evidence of a link between maternal personality traits and […]




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Sub-fertility linked to flame retardant exposure




The first study to investigate the impact of flame retardants – commonly found in household consumer products – on human fertility has linked exposure to the chemicals with reduced fertility in women. Researchers at the University of California, Berkeley, who conducted the study said that a 10-fold increase in the blood concentration of any of […]




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Laptop fertility warning




Father’s Day has prompted one fertility expert to issue a fresh warning to men who use their laptop computers on, er, their laps. Suzanne Kavic, director of reproductive endocrinology at Loyola University, says that most men underestimate the effect that the heat from laptops can have on sperm production. “Laptops are becoming increasingly common among […]




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New evidence for environmental chemicals impacting female fertility




UCLA researchers have found the first evidence that chemicals used in everyday items such as food packaging, pesticides, clothing, upholstery, carpets and personal care products may be associated with infertility in women. The study, published in the journal Human Reproduction, found that women who had higher levels of perfluorooctanoate (PFOA) and perfluorooctane sulfonate (PFOS) in […]




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Drink-Up For Superior Sperm




Men who drink alcohol regularly are more likely to have better semen quality while men in certain occupations are more likely to have poor semen quality, according to research carried out by scientists from the Universities of Sheffield and Manchester. The research, published in the journalOccupational Environmental Medicine, shows that men who work with solvents […]




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The Disappearing Male




A new study from the University of Pittsburgh has found that during the past thirty years, the number of male births has steadily decreased in the U.S. and Japan. Perhaps more worryingly, the study, published in Environmental Health Perspectives, also found that an increasing proportion of fetuses that die are male. In Japan, among the […]




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Race On To Grow Sperm In Lab




Men tend to be especially sensitive about their testes, so they might understandably wince at new research from Europe that aims to extract sperm-producing stem cells found in the testicles and grow them into mature sperm in the laboratory. The research is primarily intended to restore fertility in young men undergoing cancer treatment, but it […]




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Fertility Risk From Laptop Computers




The increasing popularity of laptop computers, together with evidence that elevated scrotal temperature can result in sperm damage, has prompted researchers from the State University of New York to undertake the first study into the effect of heat from laptop computers on scrotal temperature. With the exception of an anecdotal report of genital burns, the […]




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