There are a lot of pros in this article that make it convinced. First of all, the writer defines orthorexia in a simple way, so anyone can comprehend it easily. According to Richards, the orthorexia nervosa is an over-eating of healthy or clean food, that a sufferer rigidly avoids the unhealthy food or the food that may seem unhealthy (329). Another pro of this article is that the author uses a quote of a professor who is Thomas Dunn, which means first that this text is accurate and credible, and second it supports the ideas of the writer and give them a factual sense. “It’s different than going overboard because you want to be skinny,” Thomas Dunn, and also the writer gives a sufficient information about the professor when she said,”