How Low Self-Esteem affects Anorexia I. Anorexia has no certain causes, but it has been determined that psychological, enviromental, and physiological factors play a role. A. Self-esteem is both a psychological and physiological factor of low self-esteem. B. Girls and young women are most commonly associated with low self-esteem and anorexia. II. “Self-Esteem is how you think and feel about yourself.”(McWilliams and Roger, 361) People can reach low self-esteem levels in a variety of ways. A. People with low self-esteem d ....