Eating disorders
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Eating Disorders. Psychology 11 Block D. What Is An Eating Disorder?. Generally, an Eating Disorder any of a range of psychological disorders characterized by abnormal eating habits and behaviors. Anorexia Nervosa.

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Eating Disorders

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Eating disorders

Eating Disorders

Psychology 11

Block D

What is an eating disorder

What Is An Eating Disorder?

  • Generally, an Eating Disorder any of a range of psychological disorders characterized by abnormal eating habits and behaviors.

Anorexia nervosa

Anorexia Nervosa

  • Anorexia is the loss of appetite for food as a medical condition. As an emotional disorder, is it characterized by an obsessive want to lose weight by refusing to eat.

  • A very complex eating disorder, Anorexia has 3 key characteristics

    • Refusal to maintain a normal body weight

    • Intense fear of gaining weight

    • Body dismorphia (distorted body image)

Sings and symptoms

Sings and Symptoms

  • Dramatic weight loss.

  • Denial of being underweight.

  • Obsession with calories, fat, grams, carbs, etc.

  • Often making excuses as to why the person is not eating.



  • Some research suggests a genetic predisposition to Anorexia.

  • Brain chemistry plays a significant role as well. People with Anorexia tend to have high levels of Cortisol, a hormone related to stress, and lower levels of Serotonin, a hormone related to feelings of well being.

Physical and mental effects

Physical and Mental Effects

Poor Memory

Mood Swings

Dizziness, Headaches and Fainting


Small Black Hairs over Body and Face

Tooth and Gum Decay

Yellowing Skin

Brittle, Breaking Nails

Bulimia nervosa

Bulimia Nervosa

  • An unsustainable overeating disorder followed by a vicious purging cycle as a medical condition characterized by a compulsion to overeat followed by intense feelings of guilt and depression thus beginning the cycle of forced sickness, over exercising, or fasting.

  • People with Bulimia tend to be of average weight.



  • Genes, hormones and brain chemicals similar to those found in Anorexia sufferers contribute.

  • Like Anorexia, Bulimia stems from an obsession to lose weight.

  • Unlike Anorexia, Bulimics are more focused on self-image than control.

Physical and mental effects1

Physical and Mental Effects

  • Inability to sleep

  • Infertility

  • Internal bleeding

  • Swelling and scarring in the throat and mouth

  • Swelling and scarring on fingers and hands

  • Depression

  • Anxiety

  • Heart Attacks

  • Ultimately, death.

The cycle

The Cycle

Binging over

Eating mass amounts

In a short period of time

Strict Diet and Exercise

Feelings of Depression, Guilt, Disgust and Self Hatred

Purging excessive exercise, forced sickness and fasting.



  • Obesity is simply the condition of being grossly fat or overweight

  • No, not grossly as in “eww, that’s gross”, grossly as in ‘at a large scale’ or ‘largely overweight’



  • Too much eating

  • Constant eating

  • Lack of exercise

  • Slow metabolic rate

  • Binge Eating Disorder or other medical conditions may also contribute



  • Type 2 Diabetes

  • Gallbladder Disease

  • High Cholesterol

  • High Blood Pressure

  • Heart Disease

  • Different Cancers

  • Osteoarthritis

  • Ultimately Death

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