Hello! Today it is the World AIDS Day. Since 1988, the 1st of December is dedicated to raising awareness of the AIDS pandemic. However, I am not going to talk about AIDS today; I am going to focus on nutrition instead.   From obesity to orthorexia to anorexia In 1997, the World Health Organization formally recognized obesity as a global epidemic. The same year, the term ‘orthorexia nervosa’ was also introduced. It was the American physician Steven Bratman who coined the term from the Greek words ορθο- (ortho, “right” or “correct”) and όρεξις (orexis, “appetite”). He described orthorexia as an unhealthy fixation with what the individual considers to be healthy…