Gays more often left-hand: study - The Globe and Mail

Contents:

• BOYS WHO ARE LEFT HAND AND HAVE LOTS OF BROTHERS MORE LIKELY TO BE GAY, REARCH FDS
• THE SCIENCE OF GAYDAR
• GAYS MORE OFTEN LEFT-HAND: STUDY
• YOUNG PEOPLE ARE MORE LIKELY TO ACCEPT GAY UPL — AND TO INTIFY AS GAY

BOYS WHO ARE LEFT HAND AND HAVE LOTS OF BROTHERS MORE LIKELY TO BE GAY, REARCH FDS

The Canadian rearchers suggt that beg left-hand is one of the factors Gay men are around 34% more likely to be left-hand than heterosexual men Havg one or more olr brothers creas the likelihood of beg gay by 14.

8%Havg gay members the fay - on eher the mother’s or father’s si - creased the likelihood of beg gay, but was separate to the other factors Published: 20:00 BST, 10 June 2019 | Updated: 20:00 BST, 10 June 2019. Scientists claims to have unvered the three major factors that make a boy more likely to be rearchers suggt beg left-hand, havg several olr brothers and havg other gay people the fay are all signifint men are around 34 per cent more likely to be left-hand than heterosexual men, the team one or more olr male brothers, known as the ‘aternal birth orr effect’ creas the likelihood of beg gay by around 14.

THE SCIENCE OF GAYDAR

8 per gay members the fay - on eher the mother’s or father’s si - creased the likelihood of beg gay, but was largely separate to the other factors, the rearchers down for vio Scientists claims to have unvered the three major factors that make a boy more likely to be gay. The rearchers suggt beg left-hand, havg several olr brothers and havg other gay people the fay are all signifint markersBut the factors do not add together, the thors other words, beg left-hand and havg several olr brothers did not add together to make more likely that someone is evince of this, gay men who had several olr brothers were ‘primarily’ right-hand, the thors om the Universy of Toronto rearch was based on a study of more than 800 gay largt, ‘sub group’ of men the survey, prisg 63 per cent, did not have any of the three ‘markers’ - and were very siar their profil to straight different sub-groups of gay men also had different psychologil example, the rearchers found that the gay men wh none of the three ‘markers’ were the most likely to be means actg a way typil of a man, rather than actg like a typil woman, for example workg more typilly ‘male’ jobs such as a garage mechanic or firefighter. Gay men are around 34 per cent more likely to be left-hand than heterosexual men, the team saidWrg the journal PNAS, the thors wre ‘We prent evince that non-heterosexual men n be tegorized to at least four subgroups’.

Explag why mal bee gay bee they have several olr brothers, the thors say that is thought that every time a woman giv birth to a male boy, triggers an immune rponse the mother’s immune rponse creas wh each boy born, and this affects bra velopment subsequent boys, cludg that of the boy’s future sexual is a tra more mon men than women: men are 20 per cent more likely to be left hand than women. The of handns are not yet known, but is thought to be lked to geic, immunologil, and hormonal factors which affect the velopg bra, the rearchers gay is known to be likely to be hered - wh geics nsired to acunt for around 32 per cent of whether someone is gay or not.

The rults are nsistent wh prev reports that (1) prenatal nroendocre events are a factor the velopment of human sexual orientatn and functnal bra asymmetri, and (2) the mechanisms associated wh homosexual orientatn and related nropsychologil characteristics are different between the sex, i.

GAYS MORE OFTEN LEFT-HAND: STUDY

Compared to straight men, gay men are more likely to be left-hand, to be the younger siblgs of olr brothers, and to have hair that whorls a unterclockwise rearchers are fdg mon blogil tras among gay men, feedg a growg nsens that sexual orientatn is an born batn of geic and environmental factors that largely ci a person's sexual attractns before they are fdgs - cludg a highly anticipated study this wter - would further rm the bate over whether homosexualy is nate or a choice, an unrcurrent of California's recent Proposn 8 mpaign which televisn mercials warned that "schools would beg teachg send-grars that boys uld marry boys", suggtg homosexualy would then scientists say the polil and moral bate over same-sex marriage equently strayed om tablished scientific evince, cludg ments by Republin vice-printial ndidate Sarah Pal that homosexualy is "a choice" and "a cisn" 2007, CNN polls had found that a majory of Amerins believed gay people uld change their sexual orientatn if they chose to; was only last year that a majory for the first time said homosexualy was an born tra.

One proment psychiatrist, Dr Robert Spzer of Columbia Universy, found ntroversial evince that therapy n e some gay people to change to a heterosexual orientatn, although the study nclud that a "plete change" was sexual behavur may be chosen, the preponrance of rearchers say attractn is dictated by blogy, wh no monstrated ntributn om social factors such as parentg or other factors after birth. The likelihood that if one intil tw is gay, the other will be also be gay is much higher than the "nrdance" of homosexualy between aternal tws, ditg that gen play a role sexual orientatn, but are not the entire e. "In the past , I thk the pendulum has swung more toward blogil theory and blogil , " said Richard Lippa, a psychology profsor at California State Universy-Fullerton, who has studied hair patterns and other blogil tras gay Bocklandt, a geicist at the David Geffen school of medice at UCLA, is bewilred by the argument that people choose their sexual attractn.

YOUNG PEOPLE ARE MORE LIKELY TO ACCEPT GAY UPL — AND TO INTIFY AS GAY

What scientists ll "the aternal birth orr effect", the fact that each succsive boy born to the same mother has a greater chance of beg gay, may be due to an creasg immunologil rponse by a mother's body to each male foet her discreded are theori that parentg - one mid-20th century theory held that boys raised by a domeerg mother wh a distant father were more likely to be gay - has anythg to do wh sexual orientatn.