Eating Disorders

Eating Disorders Overview

  • Definition: Behavioral conditions characterized by severe and persistent disturbances in eating behaviors accompanied by distressing thoughts and emotions.

  • Impacts: Affects physical, psychological, and social functions.

Types of Eating Disorders

  • Anorexia Nervosa (AN): Involves controlling weight by not eating enough food or excessive exercising.

  • Bulimia Nervosa (BN): Involves episodes of binge eating followed by purging.

  • Binge Eating Disorder (BED): Involves eating large portions of food until feeling uncomfortably full.

Diagnostic Criteria for Eating Disorders

Anorexia Nervosa

  • Symptoms include: weight significantly below normal, distorted body image, intense fear of gaining weight, amenorrhea in women.

  • Diagnostic Criteria (ICD-10): Must meet all following criteria:

    1. Body weight maintained at least 15% below expected or BMI < 17.5.

    2. Self-induced weight loss through restriction, purging, or excessive exercise.

    3. Endocrine dysfunctions and body-image distortion present.

Bulimia Nervosa

  • Symptoms include: eating large amounts of food in short periods, purging behaviors (vomiting, laxatives), preoccupation with body image.

  • Diagnostic Criteria (ICD-10): Requires preoccupation with eating, compensatory behaviors, and fear of fatness.

Binge Eating Disorder

  • Symptoms include: recurrent binge eating, lack of control during eating episodes, and marked distress.

  • Diagnostic Criteria (DSM-5): Binge eating at least once a week for three months without compensatory behaviors.

Physiological Symptoms of Eating Disorders

Anorexia Nervosa

  • Physical Symptoms: Low blood pressure, slow heart rate, brittle hair, low potassium, kidney issues, menstrual problems in women, bone density loss.

Bulimia Nervosa

  • Physical Symptoms: Irregular menstrual cycles, swollen cheeks, fainting, gastrointestinal issues, dehydration.

Causes of Eating Disorders

Risk Factors

  • Biological Factors:

    • Genetics (50-80% risk hereditary).

    • Neurobiological imbalances in neurotransmitters.

    • Hormonal changes affecting appetite.

  • Psychological Factors:

    • Low self-esteem, body dissatisfaction, trauma, anxiety, and depression.

  • Sociocultural Factors:

    • Societal pressures from media and peer influences promoting thinness.

    • The prevalence of unrealistic body standards in athletes and other high-performance environments.

Misconceptions about Eating Disorders

  • Not just a female issue: Men can develop eating disorders, accounting for 1 in 4 cases of AN and BN and 1 in 3 cases of BED.

  • Not limited to teenagers: Eating disorders can develop at any age.

  • Not a phase or dieting: They are serious mental illnesses, not merely a choice.

Treatment Approaches

  • Psychological Therapy: Cognitive Behavioral Therapy (CBT) is commonly utilized across different eating disorders.

  • Nutritional Rehabilitation: Focus on gradual refeeding under medical supervision.

  • Family-Based Therapy (FBT): Engages families in supporting recovery, especially in adolescents.

  • Support Groups: Important for social support and shared experiences.

Link Between Sport and Eating Disorders

Performance Pressure

  • High-performance sports can exacerbate eating disorders due to pressure to maintain an ideal body weight and shape.

RED-S (Relative Energy Deficiency in Sport)

  • Low energy availability affecting athletes, leading to issues like hormonal imbalances and impaired physical health.

Screening and Screening Tools

  • SCOFF Questionnaire: A five-question tool used to indicate potential eating disorders; requires follow-up if two or more questions are answered positively.

  • Screening for those at risk: Young women with low BMI, individuals with weight concerns, athletes, etc.

Conclusion

  • Eating disorders are complex conditions needing comprehensive, multidisciplinary treatment that addresses physical health, psychological support, and societal influences.