Kim Kardashian's nude photo shoot seems to be everywhere at moment.
The reality TV star bared her backside for the cover of Paper magazine, and the world immediately became obsessed.
While
some are finding the attention amusing, there could be a scientific
reasons why people can't stop talking about Kim's curvaceous backside.
Evolutionary
scientists claim the male attraction to a large female bottom is due to
an ingrained preference for women with a small 'waist to hip ratio.'
The
waist-hip ratio is calculated by dividing the waist measurement by the
hip size. The smaller the waist in relation to the hip, the more
attractive a woman appears to a man.
Previous research has found women with small waists and big hips have higher levels of fertility.
New Zealand anthropologist, Barnaby Dixson, set out to find what makes a woman attractive to men.
A
group of volunteers were presented with various pictures of a woman in
which her bust, waist and hips had been digitally altered, and they were
asked to rate the image for attractiveness.
Infra-red
cameras tracked their eyes as they looked at the photos. Although most
were initially drawn to the woman's cleavage, hips and waist were key to
attraction.
A
separate study of 16,000 women by the Universities of Pittsburgh and
California in 2007 found that curves are linked with intelligence.
They
discovered that women with a greater difference between the waist and
hips scored much higher on the tests, as did their children.
The
study concluded that fat around curvy hips and thighs holds higher
levels of omega-3 fatty acids, which are essential for the growth of the
brain during pregnancy.
The
fat which collects around the waist, however, is more likely to contain
omega-6 fatty acids, which is less suited to brain growth.
Reporting in
the journal Evolution and Human Behaviour, the researchers found that
the children of curvy mothers are more likely to do well in cognitive
tests than others.
As well as boosting brainpower, omega-3 fatty acids found in oily fish are considered to be of huge health benefit.
They
have been found to stave off cancer, keep blood pressure down, slash
the risk of heart attack, ward off Alzheimer's and protect against
mental health problems.
According
to Dr Dionne Stephens, an associate psychology professor at Florida
International University, a preference for large bums has become more
mainstream thanks to pop culture influences.
'When people see things repeated on TV more and more, it becomes normalised,' Dr Stephens told Perth Now.
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