It is a nickname by anorexics for Anorexia Nervosa. They refer to Ana as having a personality and in a way it is like they are trying to say that 'she' is watching and making them do it because she makes them feel unworthy
Ana Alexander's birth name is Ana Katarina Stojanovic.
Ana Almeda's birth name is Ana Morag Almeda Darling.
Ana Matronic's birth name is Ana Lynch.
Ana Casares's birth name is Ana Urman.
Ana Campoy's birth name is Ana Garca.
Unfortunately, Ana's last name is not mentioned in 'Pobre Ana'.
Ana Vera's birth name is Ana Vera Vulcu.
Ana Turpin's birth name is Ana Turpin Fernndez.
Ana Torroja's birth name is Ana Torroja Fungairio.
Ana Stilwell's birth name is Ana Maria Stilwell.
Ana Palacio's birth name is Ana Palacio Vallelersundi.
Ana Papadopulu's birth name is Ana Haralambu Papadopulu.