New focus on invisible signs of eating disorders across all ages

Eating disorders are complex conditions affecting individuals of any age or size. Experts highlight the importance of recognising behavioural and emotional signs beyond physical appearance for early diagnosis and treatment.

Eating disorders are complex mental health conditions that can affect how a person eats, thinks about food and experiences their body. According to the National Institute of Mental Health, the best-known forms include anorexia nervosa, bulimia nervosa, binge-eating disorder and avoidant/restrictive food intake disorder, or ARFID. These conditions can cause serious physical and emotional harm, and they do not only affect people who are visibly underweight.

One of the biggest misconceptions is that an eating disorder can be ruled out by appearance alone. The NIMH says these illnesses can affect people of any age, gender or body size, and recovery is possible with proper care. Specialist resources from SOM Salud Mental 360 and the Associació Contra l’Anorèxia i la Bulímia also stress that these disorders are defined by persistent changes in eating behaviour and distorted thoughts about weight, shape and food, not by a single number on the scales.

The main types are broad but distinct. Anorexia nervosa centres on severe restriction and an intense fear of weight gain. Bulimia nervosa involves binge eating followed by compensatory behaviour such as vomiting, laxative use or excessive exercise. Binge-eating disorder features repeated episodes of eating large amounts of food with a sense of loss of control, but without the same compensatory behaviours. ARFID is different again, often involving avoidance of food because of texture, taste, fear of choking or lack of interest in eating, rather than body image concerns.

The warning signs are often behavioural as much as physical. They may include cutting out more and more foods, rigid food rules, skipping meals, anxiety about eating in front of others, eating in secret, compulsive exercise or repeated checking of labels and body shape. Weight change can be a clue, but it is not the only one. Health professionals are advised to look at the full picture: eating patterns, emotional distress, physical symptoms and possible compensatory behaviour.

Diagnosis should not rely on weight alone. Clinicians typically assess eating behaviour, thoughts about body image, physical health and possible mental health difficulties such as anxiety or depression. That matters because a person may appear to be functioning normally at school, work or home while still being seriously unwell. Early recognition is important, since delays can allow medical problems to worsen.

Eating disorders are often associated with adolescence, but they can develop later in life too. Public health sources note that these illnesses can affect adults as well as children and teenagers, and research increasingly points to the need for better recognition in groups that have been overlooked. That includes women in midlife, who may face changing body image, hormonal transitions and new emotional pressures that can interact with disordered eating.

For parents and caregivers, the key is to avoid focusing only on weight or trying to reassure the person that they “look fine”. A better approach is to raise concern gently, describe what you have noticed and encourage a proper clinical assessment. The most important message from the specialist guidance is simple: if food, weight or body image are taking over a person’s life, they deserve help, regardless of their size.