| | Conditions Treatments | Anorexia What percentage of girls have anorexia? The estimated prevalence of anorexia nervosa in females is approximately 0.5% to 1% worldwide, although it may vary across countries and communities. Anorexia - Related Articles What Is a C-Section? How to Treat an Infected Nose Stud What Are the Causes of Left Flank Pain? What is Spinal Stenosis? How i Calculate and identify your Heart rate Training Range? Health Benefits of Protein Whey High Blood Pressure & Weight Loss