Eating disorders : obesity

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What is obesity?
Where excess fat accumulates to such an extent that BMI is 30kg or higher
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The highest obesity rates are where and how much?
South Pacific Islanders of Nauru with 80% obesity rate
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What health risks are linked to obesity?
Heart disease, cancer, diabetes, increase in blood pressure
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How much in the USA in 1998 was spent on treating obesity?
$78.5bn
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(Behavioural theory)Where did Jackson believe the roots of obesity to be?
Childhood, with children encouraged to believe that clearing their plate was the right thing to do making them a good child
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How is the cognitive theory used to explain obesity?
Elevated focus for food-related stimuli which can trigger strong emotional responses that lead to effects in eating
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What did Braet & Crombez find?
Obese children were more sensitive to food words - hypersensitivity shows initiation and maintenance of maladaptive thought processes can trigger bad eating behaviour
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What is NPY(neuropeptide)
NT that increases food intake and storage of energy as fat and decrease of physical activity
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Where is leptin produced?
Hypothalamus
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As weight is lost, body fat us reduced and this decreases levels of leptin, this interacts with the NPY neurone and the appetite is...
Increased
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The evolutionary theory regarding what triggers obesity says that
Maladaptive instincts that developed at a time where food was scarce means that some modern humans continue to behave that food is scarce, resulting in over eating
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DiMeglio & Mates investigated the effects if liquid versus solid carbohydrate effects on food intake and body weight. What do you think happened?
They gained weight significantly in liquid period because the body does not register it has eaten and eats more
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The highest obesity rates are where and how much?

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South Pacific Islanders of Nauru with 80% obesity rate

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What health risks are linked to obesity?

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How much in the USA in 1998 was spent on treating obesity?

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(Behavioural theory)Where did Jackson believe the roots of obesity to be?

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