0 a mental illness in which someone, usually a man, worries that their body is too small and weak, and exercises a lot, eats particular foods or takes drugs in order to try to build bigger muscles:
When bodybuilding is taken too far it becomes muscle dysmorphia.
Grant believes muscle dysmorphia and gym addiction are one and the same thing.
An example is of body dysmorphia disorder is muscle dysmorphia, sometimes called 'reverse anorexia'.