Obsession with ‘pure’ foods is an eating disorder. 

“As a condition, orthorexia has a somewhat zig-zagged history. The term was coined by Steven Bratman, then an alternative medicine practitioner, in a 1997 article for Yoga Journal after he noticed that some of his clients, ‘had reduced the dimensionality of their human lives by assigning excessive meaning and power to what they put in their mouths.’” learn more