Hannah Montana star Miley Cyrus, who received a lot of hate mails calling herway too thin after she tweeted a slim-down photo of her on Sunday, has defended her body, saying sheis not anorexic. The critics of the teen pop star called her anorexic for denying herself food since she'sbeen looking so thin but the singer told them that she's avoiding certain food because of some healthproblems, reported Aceshowbiz. "For everyone calling me anorexic I have a gluten and lactose allergy.It's not about weight it's about health. Gluten is crapppp anyway!" Cyrus wrote on Twitter. Asking herfans to try "no gluten for a week", she said, The change in your skin, phyisical (sic) and mental health isamazing! U won't go back!"