What is it called when one exercises compulsively to purge or to counteract calorie intake?

When one believes they are too small (actually aren't) and obsess over having a muscular body

Obsessing over physical flaws, usually very small or nonexistent

Obsessed with eating healthy. Inflicts self-pain (stricter diet) if they stray from eating healthy.

Consuming majority of calories at night

Compulsive desire to eat non-food items

When one cannot refrain from eating. Present at birth and genetic.

When one eats while sleeping