While maintaining a healthy diet is generally beneficial, approximately 1.5% of the population are estimated to develop 'Orthorexia Nervosa'. This is characterized by an extreme, pathological obsession with food purity and clean eating. Individuals with this condition suffer from severe nutritional deficits and are often unable to maintain standard daily employment or socialise with friends and family due to meal-planning rituals. Furthermore, they exhibit a total loss of autonomy, experiencing intense anxiety and severe distress if they deviate from their strict self-imposed rules.
Apart from 'deviation from social norms', outline three definitions of abnormality. Refer to the article above in your answer.
43 exam-style questions on AQA A Level Psychology Definitions of abnormality. Each one has a worked solution and a mark scheme showing where the marks go.