Scientists have discovered why younger brothers are more likely to be gay
Scientists have finally worked out why younger brothers are more likely to be gay.
Researchers at Brock University, Canada, have found that women who get pregnant with boys multiple times slowly build up antibodies that affect their babies while they’re carrying.
The antibodies, which are made by the body in response to proteins present in the brains of males, can supposedly lead to changes in brain development which could have an impact on sexual orientation.
“It seems that some women during their first male pregnancy, or just after their first male birth, begin to detect this foreign substance (the NLGN4Y protein) and start to develop an immune response,” said lead researcher Tony Bogaert.
“And then later, with further male pregnancies, the high levels of antibodies directed toward this substance may
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