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{{Cquote|Human asexuality is defined as a lack of sexual attraction to anyone or anything and it has been suggested that it may be best conceptualized as a sexual orientation. Non-right-handedness, fraternal birth order, and finger length ratio (2D:4D) are early neurodevelopmental markers associated with sexual orientation. We conducted an Internet study investigating the relationship between self-identification as asexual, handedness, number of older siblings, and self-measured finger-lengths in comparison to individuals of other sexual orientation groups. A total of 325 asexuals (60 men and 265 women; M age, 24.8 years), 690 heterosexuals (190 men and 500 women; M age, 23.5 years), and 268 non-heterosexuals (homosexual and bisexual; 64 men and 204 women; M age, 29.0 years) completed online questionnaires. Asexual men and women were 2.4 and 2.5 times, respectively, more likely to be non-right-handed than their heterosexual counterparts and there were significant differences between sexual orientation groups in number of older brothers and older sisters, and this depended on handedness. Asexual and non-heterosexual men were more likely to be later-born than heterosexual men, and asexual women were more likely to be earlier-born than non-heterosexual women. We found no significant differences between sexual orientation groups on measurements of 2D:4D ratio. This is one of the first studies to test and provide preliminary empirical support for an underlying neurodevelopmental basis to account for the lack of sexual attraction characteristic of asexuality.<ref>[https://link.springer.com/article/10.1007/s10508-013-0175-0 ''Biological Markers of Asexuality: Handedness, Birth Order, and Finger Length Ratios in Self-identified Asexual Men and Women''] by Morag A. Yule, Lori A. Brotto & Boris B. Gorzalka , ''Archives of Sexual Behavior'' , Published: 18 September 2013, 43, pages299–310 (2014)</ref>}}

{{Cquote|Human asexuality is defined as a lack of sexual attraction to anyone or anything and it has been suggested that it may be best conceptualized as a sexual orientation. Non-right-handedness, fraternal birth order, and finger length ratio (2D:4D) are early neurodevelopmental markers associated with sexual orientation. We conducted an Internet study investigating the relationship between self-identification as asexual, handedness, number of older siblings, and self-measured finger-lengths in comparison to individuals of other sexual orientation groups. A total of 325 asexuals (60 men and 265 women; M age, 24.8 years), 690 heterosexuals (190 men and 500 women; M age, 23.5 years), and 268 non-heterosexuals (homosexual and bisexual; 64 men and 204 women; M age, 29.0 years) completed online questionnaires. Asexual men and women were 2.4 and 2.5 times, respectively, more likely to be non-right-handed than their heterosexual counterparts and there were significant differences between sexual orientation groups in number of older brothers and older sisters, and this depended on handedness. Asexual and non-heterosexual men were more likely to be later-born than heterosexual men, and asexual women were more likely to be earlier-born than non-heterosexual women. We found no significant differences between sexual orientation groups on measurements of 2D:4D ratio. This is one of the first studies to test and provide preliminary empirical support for an underlying neurodevelopmental basis to account for the lack of sexual attraction characteristic of asexuality.<ref>[https://link.springer.com/article/10.1007/s10508-013-0175-0 ''Biological Markers of Asexuality: Handedness, Birth Order, and Finger Length Ratios in Self-identified Asexual Men and Women''] by Morag A. Yule, Lori A. Brotto & Boris B. Gorzalka , ''Archives of Sexual Behavior'' , Published: 18 September 2013, 43, pages299–310 (2014)</ref>}}

Left-handedness is a good marker of a high mutational load.<ref>[http://www.newsweek.com/religion-healthy-atheism-mutant-genes-756984 RELIGIOUS PEOPLE LIVE HEALTHIER, LONGER LIVES—WHILE ATHEISTS COLLECT MUTANT GENES], Newsweek, 2017</ref>

Left-handedness is a good marker of a high [[mutation]]al load.<ref>[http://www.newsweek.com/religion-healthy-atheism-mutant-genes-756984 RELIGIOUS PEOPLE LIVE HEALTHIER, LONGER LIVES—WHILE ATHEISTS COLLECT MUTANT GENES], Newsweek, 2017</ref>

==Implications of low-libido asexuality for Christians==

==Implications of low-libido asexuality for Christians==