Are lesbians fat?

No.  Surprisingly. My late sister was a lesbian and those of her friends that I met were definitely hefty.  There has previously  been research showing that lesbians are fatter but a recent high quality research project separated out bisexual women from lesbian women and found that it was only the bisexuals who were unusually fat.  Come to think of it, my sister would probably rate as a bi.  She was married to a really nice guy once. I reproduce the abstract below but you really need to look at the tables to get the full picture.

Some of the other findings:  Blacks were fatter regardless; male homosexuals were slimmer than male heterosexuals.  Not surprising.  Male homosexuals are often very "looks" oriented and tend to take considerable care over their appearance.  And fat is not attractive.

Sexual Orientation Disparities in BMI among US Adolescents and Young Adults in Three Race/Ethnicity Groups

Sabra L. Katz-Wise et al.


Obesity is a key public health issue for US youth. Previous research with primarily white samples of youth has indicated that sexual minority females have higher body mass index (BMI) and sexual minority males have lower BMI than their same-gender heterosexual counterparts, with sexual orientation differences in males increasing across adolescence. This research explored whether gender and sexual orientation differences in BMI exist in nonwhite racial/ethnic groups. Using data from Waves I–IV (1995–2009) of the US National Longitudinal Study of Adolescent Health (N = 13,306, ages 11–34 years), we examined associations between sexual orientation and BMI (kg/m2) over time, using longitudinal linear regression models, stratified by gender and race/ethnicity. Data were analyzed in 2013. Among males, heterosexual individuals showed greater one-year BMI gains than gay males across all race/ethnicity groups. Among females, white and Latina bisexual individuals had higher BMI than same-race/ethnicity heterosexual individuals regardless of age; there were no sexual orientation differences in black/African Americans. Sexual orientation disparities in BMI are a public health concern across race/ethnicity groups. Interventions addressing unhealthy weight gain in youth must be relevant for all sexual orientations and race/ethnicities.

J Obes. 2014: 537242

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