Eating disorders are serious health conditions that affect both your physical and mental health. These conditions include problems in how you think about food, eating, weight and shape, and in your eating behaviors. These symptoms can affect your health, your emotions and your ability to function in important areas of life.
If not treated effectively, eating disorders can become long-term problems and, in some cases, can cause death. The most common eating disorders are anorexia, bulimia and binge-eating disorder.
Most eating disorders involve focusing too much on weight, body shape and food. This can lead to dangerous eating behaviors. These behaviors can seriously affect the ability to get the nutrition your body needs. Eating disorders can harm the heart, digestive system, bones, teeth and mouth. They can lead to other diseases. They're also linked with depression, anxiety, self-harm, and suicidal thoughts and behaviors.
With proper treatment, you can return to healthier eating habits and learn healthier ways to think about food and your body. You also may be able to reverse or reduce serious problems caused by the eating disorder.
Symptoms vary, depending on the type of eating disorder. Anorexia, bulimia and binge-eating disorder are the most common eating disorders. People with eating disorders can have all different body types and sizes.
Anorexia (an-o-REK-see-uh), also called anorexia nervosa, can be a life-threatening eating disorder. It includes an unhealthy low body weight, intense fear of gaining weight, and a view of weight and shape that is not realistic. Anorexia often involves using extreme efforts to control weight and shape, which often seriously interfere with health and daily life.
Anorexia may include severely limiting calories or cutting out certain kinds of foods or food groups. It may involve other methods to lose weight, such as exercising too much, using laxatives or diet aids, or vomiting after eating. Efforts to reduce weight can cause severe health problems, even for those who continue eating throughout the day or whose weight isn't extremely low.
Bulimia (buh-LEE-me-uh), also called bulimia nervosa, is a serious, sometimes life-threatening eating disorder. Bulimia includes episodes of bingeing, commonly followed by episodes of purging. Sometimes bulimia also includes severely limiting eating for periods of time. This often leads to stronger urges to binge eat and then purge.
Bingeing involves eating food — sometimes an extremely large amount — in a short period of time. During bingeing, people feel like they have no control over their eating and that they can't stop. After eating, due to guilt, shame or an intense fear of weight gain, purging is done to get rid of calories. Purging can include vomiting, exercising too much, not eating for a period of time, or using other methods, such as taking laxatives. Some people change medicine doses, such as changing insulin amounts, to try to lose weight.
Bulimia also involves being preoccupied with weight and body shape, with severe and harsh self-judgment of personal appearance.
Binge-eating disorder involves eating food in a short amount of time. When bingeing, it feels like there's no control over eating. But binge eating is not followed by purging. During a binge, people may eat food faster or eat more food than planned. Even when not hungry, eating may continue long past feeling uncomfortably full.
After a binge, people often feel a great deal of guilt, disgust or shame. They may fear gaining weight. They may try to severely limit eating for periods of time. This leads to increased urges to binge, setting up an unhealthy cycle. Embarrassment can lead to eating alone to hide bingeing. A new round of bingeing commonly occurs at least once a week.
Avoidant/restrictive food intake disorder includes extremely limited eating or not eating certain foods. The pattern of eating often doesn't meet minimum daily nutrition needs. This may lead to problems with growth, development and functioning in daily life. But people with this disorder don't have fears about gaining weight or body size. Instead, they may not be interested in eating or may avoid food with a certain color, texture, smell or taste. Or they may worry about what can happen when eating. For example, they may have a fear of choking or vomiting, or they may worry about getting stomach problems.
Avoidant/restrictive food intake disorder can be diagnosed in all ages, but it's more common in younger children. The disorder can result in major weight loss or failure to gain weight in childhood. A lack of proper nutrition can lead to major health problems.
Many people with eating disorders may not think they need treatment. One of the main features of many eating disorders is not realizing how severe the symptoms are. Also, guilt and shame often prevent people from getting help.
If you're worried about a friend or family member, urge the person to talk to a health care provider. Even if that person isn't ready to admit to having an issue with food, you can start the discussion by expressing concern and a desire to listen.
Red flags that may suggest an eating disorder include:
If you're worried that you or your child may have an eating disorder, contact a health care provider to talk about your concerns. If needed, get a referral to a mental health provider with expertise in eating disorders. Or if your insurance permits it, contact an expert directly.
An eating disorder can be difficult to manage or overcome by yourself. The earlier you get treatment, the more likely you'll make a full recovery. Sometimes people can have problem eating behaviors that are similar to some symptoms of an eating disorder, but the symptoms don't meet the guidelines for a diagnosis of an eating disorder. But these problem eating behaviors can still seriously affect health and well-being.
If you have problem eating behaviors that cause you distress or affect your life or health, or if you think you have an eating disorder, seek medical help.
The exact cause of eating disorders is not known. As with other mental health conditions, there may be different causes, such as:
Anyone can develop an eating disorder. Eating disorders often start in the teen and young adult years. But they can occur at any age.
Certain factors may increase the risk of developing an eating disorder, including:
Eating disorders cause a wide variety of complications, some of them life-threatening. The more severe or long lasting the eating disorder, the more likely it is that serious complications may occur. These may include:
There's no sure way to prevent eating disorders, but you can take steps to develop healthy eating habits. If you have a child, you can help your child lower the risk of developing eating disorders.
To develop healthy eating habits and lifestyle behaviors:
For more guidelines on food and nutrition, as well as physical activity, go to health.gov.
Talk to a health care provider if you have concerns about your eating behaviors. Getting treatment early can prevent the problem from getting worse.
Here are some ways to help your child develop healthy-eating behaviors:
If you notice a family member or friend who seems to show signs of an eating disorder, consider talking to that person about your concern for their well-being. You may not be able to prevent an eating disorder from developing, but reaching out with compassion may encourage the person to seek treatment.