I have no brother at all, ouffff.....
Wonder if the same for lez .. .
Men with older brothers more likely to be gay
Research adds to idea of biological basis for sexual orientation
WASHINGTON - Having several older brothers increases the likelihood of a man being gay, a finding researchers say adds weight to the idea that there is a biological basis for sexual orientation.
?It?s likely to be a prenatal effect,? said Anthony F. Bogaert of Brock University in St. Catharines, Canada, ?This and other studies suggest that there is probably a biological basis for? homosexuality.
S. Marc Breedlove of Michigan State University said the finding ?absolutely? confirms a physical basis.
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The research was funded by the Social Sciences and Humanities Research Council of Canada.
full article
Research adds to idea of biological basis for sexual orientation
WASHINGTON - Having several older brothers increases the likelihood of a man being gay, a finding researchers say adds weight to the idea that there is a biological basis for sexual orientation.
?It?s likely to be a prenatal effect,? said Anthony F. Bogaert of Brock University in St. Catharines, Canada, ?This and other studies suggest that there is probably a biological basis for? homosexuality.
S. Marc Breedlove of Michigan State University said the finding ?absolutely? confirms a physical basis.
..
..
The research was funded by the Social Sciences and Humanities Research Council of Canada.
full article









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