Anorexia Nervosa: Needing To Eat Is Not Enough; You Have To Want It
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About The Author

Laura Milton is a graduate student in the department of physiology at Monash University and is interested in evolutionary biology, exercise physiology and feeding behaviour. Her current work seeks to identify the neurobiological factors that underlie the maladaptive exercise and feeding behaviours present in anorexia nervosa.

                       

Anorexia Nervosa: Needing To Eat Is Not Enough; You Have To Want It

Anorexia nervosa (AN) is a debilitating disorder with the highest mortality rate of any psychiatric illness. From an evolutionary standpoint, AN is a paradox. Humans have evolved to survive famine through biological adaptations that limit energy usage when food is scarce and promote feasting when food becomes available. With the current abundance and ready availability of energy-dense foods, coupled with the modern sedentary lifestyle, this evolved bias towards a state of energy surplus has led to the burgeoning obesity epidemic....

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