Body dysmorphic disorder is a quest to look normal, not vain
People with body dysmorphic disorder may spend hours each day fixated on a flaw that others barely notice or cannot see at all. Unlike vanity, the goal is not to look exceptional but simply to look acceptable. Cosmetic surgery rarely eases the distress, and fear of seeming vain keeps many sufferers silent and undiagnosed.
BDD is defined by an overwhelming preoccupation with a perceived defect in appearance. Sometimes the flaw is imagined; sometimes a real difference is hugely magnified. About one case in three is delusional, while most involve an overvalued idea. Common targets are the face, skin, stomach, arms and legs, but almost any part can be involved, often several at once. The DSM-5 places it in the obsessive–compulsive spectrum rather than alongside eating disorders such as anorexia nervosa, though it brings more depression and social avoidance than OCD.
Typical behaviours include checking mirrors or avoiding them, comparing oneself with others, camouflaging with make-up or clothes, excessive grooming and seeking reassurance. Picking at skin can create marks that did not exist before. A subtype called muscle dysmorphia, sometimes nicknamed bigorexia, makes muscular people see themselves as too thin and mostly affects men. Flare-ups can cost school, work and friendships, and some people become housebound; suicidal thinking is notably common.
Prevalence figures disagree sharply. One estimate puts it at up to 2 to 3% of people, whereas a large meta-analysis suggested roughly 17% globally, with the highest regional figure in Latin America. It shows up often in clinics: an estimated 24% of people seeking plastic surgery meet criteria. It usually begins in adolescence.
Causes appear to mix genetic, psychological, social and cultural factors; one twin study put heritability at 43%, and many patients recall earlier teasing, bullying or neglect. A 2021 study found over 75% of adults with the condition reported childhood maltreatment. Heavy, appearance-focused social media use is associated with greater body dissatisfaction, and in 2018 the surgeon Tijon Esho coined Snapchat dysmorphia for patients wanting to resemble their filtered photos.
Source: Body dysmorphic disorder
