We may know why younger brothers are more likely to be gay | New Scientist

Contents:

• MEN WH OLR BROTHERS ARE MORE LIKELY TO BE GAY, STUDY SUGGTS
• PEOPLE WH OLR BROTHERS ARE MORE LIKELY TO BE GAY ACRDG TO EXPERTS
• BOYS WH OLR BROTHERS MORE LIKELY TO BE GAY, STUDY SAYS
• THANK YOU!WE HAVE EMAILED YOU A PDF VERSN OF THE ARTICLE YOU REQUTED.CAN'T FD THE EMAIL? PLEASE CHECK YOUR SPAM OR JUNK FOLR YOU N ALSO TO YOUR SAFE SENRS LIST TO ENSURE YOU NEVER MISS A MSAGE OM .CLOSEIFLSCIENCE HOME"THE MORE OLR BROTHERS YOU HAVE, THE MORE LIKELY YOU ARE TO BE GAY. NOW WE MIGHT FALLY KNOW WHY"
• WE MAY KNOW WHY YOUNGER BROTHERS ARE MORE LIKELY TO BE GAY

MEN WH OLR BROTHERS ARE MORE LIKELY TO BE GAY, STUDY SUGGTS

Men wh olr brothers are more likely to be gay, acrdg to a study published Wednday the journal Proceedgs of the Royal Society B.

This new report builds upon prev rearch regardg male birth orr and homosexualy, though there is still no cisive ncln as to why there’s a lk between the cross-analyzg data om 10 scientific studi wh more than 5, 000 subjects, rearchers found that men wh olr brothers were 38 percent more likely to intify as gay. ”The study, which pared the probabily of the youngt brother a two-son fay beg gay as pared to the olst son, did not clu female subjects, as prev rearch has tablished that women do not fluence the sexual orientatn of their younger siblgs, acrdg to this study did not terme a ncrete reason for the rrelatn between a man havg an olr brother and intifyg as gay, Blanchard said that “pots toward the need for more rearch on the 'maternal immune hypothis'” — a theory Blanchard troduced 1996 that suggts that a mother is exposed to “male-specific substanc” durg pregnancy wh or the birth of a son.

Acrdg to proponents of the theory, the mother’s immune rponse is changed durg the pregnancy of a boy, creasg the likelihood that a subsequent male child would be gay.

PEOPLE WH OLR BROTHERS ARE MORE LIKELY TO BE GAY ACRDG TO EXPERTS

A new study has found some of the strongt evince to date that people wh olr brothers are more likely to be gay, providg some of the bt evince to date supportg the aternal birth-orr effect (FBOE) and also fdg evince of for both lbians and gay men. New rearch found that havg an olr brother creas men’s chanc of beg gay, acrdg to a study published Wednday the journal Proceedgs of the Royal Society B.

The fdgs om German and Canadian scholars showed that men wh olr brothers have a 38% higher likelihood of beg homosexual than men who don’t have an olr brother. “[Olr] brothers crease the probabily of homosexualy later-born mal, ” read the study’s abstract. The fdgs also showed that the more olr brothers a man had, the higher the likelihood he would be gay.

Havg three olr brothers doubled a man’s chanc of beg gay, acrdg to the rearch. The study also found a rrelatn between mothers givg birth to homosexual mal and havg more children, as pared to moms of straight mal havg fewer children. “[Mothers] of homosexual mal produce more offsprg than the mothers of heterosexual mal, ” the rearchers wrote.

BOYS WH OLR BROTHERS MORE LIKELY TO BE GAY, STUDY SAYS

“The fascatg study timat that havg an olr brother creas the odds of beg gay by 38 percent, supportg the ia that a mother’s immune rponse to havg a male child fluenc subsequent boys, ” Universy of Cambridge profsor and statistician David Spiegelhalter told the Daily Mail.

THANK YOU!WE HAVE EMAILED YOU A PDF VERSN OF THE ARTICLE YOU REQUTED.CAN'T FD THE EMAIL? PLEASE CHECK YOUR SPAM OR JUNK FOLR YOU N ALSO TO YOUR SAFE SENRS LIST TO ENSURE YOU NEVER MISS A MSAGE OM .CLOSEIFLSCIENCE HOME"THE MORE OLR BROTHERS YOU HAVE, THE MORE LIKELY YOU ARE TO BE GAY. NOW WE MIGHT FALLY KNOW WHY"

Ined, no particular pattern of siblgs, their genr or their age appeared to terme whether a female would be gay.

PUBLISHEDThe More Olr Brothers You Have, The More Likely You Are To Be Gay.

Now We Might Fally Know WhySenr Staff Wrer & Space CorrponntRimDream/ShutterstockRearchers believe that creasg levels of certa antibodi a mother uld expla the occurrence of the “aternal birth orr effect”, where the more olr brothers a male has, the more likely he is to be gay. They analyzed the blood of 142 women and found that those wh gay sons wh olr brothers had, ed, higher levels of NLGN4Y antibodi than mothers of gay sons wh no olr brothers.

WE MAY KNOW WHY YOUNGER BROTHERS ARE MORE LIKELY TO BE GAY

It is also necsary to be aware that said effect is timated to play a role the sexual orientatn of only 15 percent of gay men. Many studi lookg at the blogil factors behd homosexualy fet about women, as well as bisexual and pansexual people. The more olr brothers a boy has, the more likely he is to be gay when he grows up – an effect lled the “aternal birth orr effect”.