clipped from: www.stuff.co.nz Scientists at the Rowett Research Institute, Aberdeen, and Aberdeen University found that people select mates with a similar amount of body fat to their own – passing on a "double dose" of genes that make someone susceptible to being obese.
Previous studies have shown that people "assortatively mate" – select partners with characteristics similar to our own – on the basis of age, height, social class, education and race.
Researchers have also shown a link between couples and their body mass indices – an indirect measure of body fatness.
But Dr Diane Jackson, of the Rowett Research Institute, said: "It has also been suspected that BMI may be linked to other things that people choose their partner by, such as social class or age.