Mental Health
Anorexia Nervosa
About Anorexia Nervosa
Anorexia nervosa is an eating disorder characterized by an intense fear of gaining weight and a distorted body image, leading to severe restriction of food intake. Individuals with anorexia nervosa often maintain a body weight significantly below what is considered healthy for their age and height.
Common Symptoms
- significant weight loss or failure to gain weight as expected
- restricted eating patterns
- intense fear of gaining weight or becoming fat
- distorted body image, denial of the seriousness of low body weight
- amenorrhea (absence of menstruation)
- fatigue and low energy
- dry skin and brittle nails
- thinning hair
- feeling cold often
- social withdrawal
Diagnosis
Diagnosis of anorexia nervosa typically involves a comprehensive evaluation by a healthcare professional, including a physical exam, psychological assessment, and laboratory tests. The Diagnostic and Statistical Manual of Mental Disorders (DSM-5) criteria are commonly used, focusing on restrictive eating, fear of weight gain, and body image disturbance.
Causes
The exact causes of anorexia nervosa are not fully understood, but it is believed to involve a complex interplay of genetic, psychological, and environmental factors. Biological predispositions, psychological traits such as perfectionism, and societal pressures regarding body image may all contribute.
Treatment Overview
Treatment for anorexia nervosa often involves a multi-faceted approach, commonly including medical monitoring, nutritional rehabilitation, and various forms of psychotherapy. Family-based therapy is frequently utilized for adolescents, while individual therapies like cognitive-behavioral therapy are common for adults. Some individuals may explore complementary approaches, such as mindfulness or yoga, alongside conventional care.
Prognosis & Outlook
The prognosis for individuals with anorexia nervosa can vary, with some achieving full recovery while others may experience a chronic course or relapse. Factors such as the severity of the illness and the timely initiation of comprehensive treatment may influence the long-term outlook.
Types & Variants
Restricting type
Individuals with this type lose weight primarily through dieting, fasting, or excessive exercise. They have not regularly engaged in binge-eating or purging behavior in the last three months.
Binge-eating/purging type
Individuals with this type lose weight but also regularly engage in binge-eating followed by purging behaviors, such as self-induced vomiting or the misuse of laxatives, diuretics, or enemas.
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