Mental health experts are raising the alarm over orthorexia, a troubling eating disorder characterized by an obsessive fixation on consuming only “healthy” foods. According to Sadi Fox, PhD, a licensed psychotherapist specializing in eating disorders, orthorexia goes far beyond typical healthy eating, often causing nutritional deficiencies, social isolation, and significant mental health challenges. Many sufferers only recognize the severity of their condition during professional treatment, as society frequently praises extreme health-conscious behaviors rather than identifying them as harmful.

Orthorexia occurs when the pursuit of healthy eating becomes an obsession, distorting the very idea of what is beneficial. Dr. Kelli Rugless explains that individuals with orthorexia often avoid foods they deem “harmful,” inadvertently depriving their bodies of essential nutrients. Nutritionist Emily Van Eck, RD adds that indiscriminately eliminating entire food groups can cause calorie deficits and digestive issues such as constipation. Social media trends and non-scientific health advice frequently exacerbate these behaviors, intensifying anxiety around food choices.

Although orthorexia is not yet recognized in the DSM-5, research indicates its prevalence is rising sharply. A 2021 review in the International Journal of Environmental Research and Public Health reported prevalence rates ranging from 6.9% in Italy to 88.7% in Brazil. Studies show higher risk among Instagram users (49%), nutrition students (72%), and frequent exercisers (55%). Athletes, particularly endurance athletes, are also more prone to orthorexic behaviors, according to a 2023 study in Eating and Weight Disorders-Studies on Anorexia, Bulimia and Obesity.

The disorder carries serious emotional consequences, including shame, guilt, fear, and social withdrawal. Dr. Rugless notes that individuals often avoid social situations where they cannot control their meals, while Van Eck emphasizes the pervasive stress associated with orthorexia, which can severely affect quality of life. Unlike anorexia or bulimia, orthorexia typically stems from the desire to eat “pure” foods rather than from body-image concerns. Fox describes the phenomenon as “diet culture’s newest attack,” fueled by social media promotion of “clean eating” and misinformation about harmful foods.

Identifying orthorexia requires vigilance. Warning signs include rigidly categorizing foods as “good” or “bad,” eliminating entire food groups without medical necessity, refusing to eat at restaurants, and obsessively researching food. Fox observes that individuals may spend excessive time or money on health foods, adopting a moralistic approach where dietary choices become a measure of personal virtue. Assessing orthorexic behavior involves asking questions such as: Is your diet balanced across food groups? Does thinking about food dominate your day? Can you enjoy social meals? Is your diet financially sustainable?

Treatment is multidisciplinary, typically involving cognitive behavioral therapy (CBT) to challenge unhelpful thoughts, alongside dietary guidance to ensure proper nutrition. Dietitians help restore balance, correct misinformation, and address nutrient deficiencies. Early intervention is critical to prevent escalation and improve physical and mental health outcomes.

Experts recommend consulting a licensed eating disorder specialist if you or a loved one experience anxiety around food, obsessive behaviors, extreme dietary restrictions, fatigue, or disrupted sleep. Resources like the National Eating Disorders Association (NEDA) and findEDhelp.com provide access to certified professionals, including CEDS and CEDRD practitioners. Addressing orthorexia promptly is essential to reclaiming a healthy relationship with food and overall well-being.