Thursday, April 03, 2008

Men and Women eating patterns

Do men and women have a propensity for different eating behaviors and disorders?
A recent study may lend some support to this thought.

This study shows that young adult women exposed prenatally to testosterone have a reduced likelihood of developing eating disorders.

The researchers studied data on 582 twins enrolled in the Michigan State University Twin Registry. The participants included 583 twins and a control group of 69 women who were raised with at least one brother and the age range was 18 to 29 years.

Disordered eating behaviors were assessed with the Minnesota Eating Behavior Survey which measures perception of body dissatisfaction, weight preoccupation, binge eating, and compensatory behavior such as purging to control weight. All of these behaviors are exhibited much more frequently in women.

It is believed that females from opposite sex twin pairs are thought to be exposed to increased levels of prenatal testosterone, leading to "masculinization" of the central nervous system.

The results from this review did show that the masculinizing effects of prenatal testosterone, characteristic of male development, may play a significant role in the decreased frequency of the eating patterns in these females.

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