A ballerina who contended with anorexia nervosa for years, Anais Garcia, who is just over five feet tall, has reached 105 pounds, a safer weight than the 79 pounds of a year ago. In her gray turtleneck sweater and casual black leggings, her extreme thinness remains apparent. “For the past five years, I’ve done nothing but hate and try to disown my body,” she says.