Having male twin reduces woman&#39;s fertility: study
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Women who have a male twin are less  likely to marry and have children, perhaps because of being  exposed to their brother&#39;s testosterone for nine months in the  womb, researchers reported on Monday.
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CHICAGO - Beyond the tired cliches and sperm-and-egg basics taught in grade school science class, researchers are discovering that men and women are even more different than anyone realized.    It turns out that major illnesses like heart disease and lung cancer are influenced by gender and that perhaps treatments for women ought to be slightly different from the approach used for men...
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One woman in five in Britain is likely to be unfaithful to her partner, and we now know what to blame: her genes. In one of the largest ever sexual surveys, involving 1,600 pairs of twins, scientists discovered
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A new study, to be published in the journal &#39;Twin Research&#39; has indicated that showing an inclination towards being unfaithful, not having faith in god and getting divorced might something that is far beyond your control as it could be a part of your
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Researchers at a New York university believe they&#39;ve found evidence that laptop use of notebook computers by men can impair fertility.
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NEW YORK  - Findings from a new study suggest that both high and low birth weights increase the risk of testicular cancer in men. The reason for this finding is unclear.
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Genetic factors influence female infidelity and the number of sexual partners women have, British scientists said on Wednesday. They studied the responses of 1,600 pairs of identical
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NEW YORK  - Men without children have a lower risk of prostate cancer compared with fathers, but those who father a brood of kids appear to have a relatively low risk also, the results of a large study suggest.
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Taking regular hot baths may make men infertile, say US researchers.
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A high IQ is a hindrance for women wanting to get married while it is an asset for men, according to a study by four British universities published in The Sunday Times newspaper.
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Whether a woman is living with her partner or not when she conceives seems to influence the sex of her child, new research reports.
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Not having children, having too many, or  too young or not spaced far enough apart could be detrimental  to a woman's health later in life, researchers said on Tuesday.
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TORONTO - There could be deadly complications for women who become pregnant with twins, triplets or greater multiple births, a new study warns.
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A recent study&#39;s findings, published in the journal &quot;Human Reproduction,&quot; raise concern with how laptops are being used by men, specifically regarding increased temperature in the scrotal area.
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A study pins declining US teenage pregnancy rates on better use of contraception - not abstinence.
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Men who frequently work with their notebooks on their laps are in danger of permanently lowering their fertility rate, researchers said Thursday.
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Obese couples have a more difficult time conceiving a baby than couples of normal weight, according to a study published on Tuesday identifying another consequence of putting on too much weight.