Kellie Lavender July 9, 2015 Eating Disorders from the Inside Out: Laura Hill at tedx Columbus. Kellie Lavender July 9, 2015 Is anorexia a biological or psychological disorder? Why can't my child "just eat"? Anorexia is a baffling and frustrating illness to understand. This excellent video helps explain what is happening in the brain for someone suffering from anorexia.