Long workouts and high protein: What eating disorders look like in men and boys
cnn.com
cnn.com
"Orthorexia nervosa" is "a proposed eating disorder characterized by an excessive preoccupation with eating healthy food." I'd argue that the "excessive preoccupation" part is the disorder, not the part where you eat an unusually healthy diet. That makes it, in an important way, the reverse of unhealthy eating behaviors like binging or purging.