Is Joker's illness real?
Director Todd Phillips considered the character's body size as one way to represent his vulnerability. It is important to emphasize that unlike most people who diet to lose weight or who develop an eating disorder, Phoenix's weight loss was intended for the short amount of time it took to shoot the movie.Arthur Fleck, later known as the Joker, is a failed comedian who, following his great lack of success and respect, loses his mental stability until he becomes a nihilistic, sociopathic killer calling himself Joker, aiming himself to make Gotham smile in his way.Joaquin Phoenix took his weight loss to the extreme in preparation for his new movie, Joker. The actor, 44, agreed to lose 52 lbs.

What is the psychology of the Joker : In general, Arthur appears to have a complex mix of features of certain personality traits, namely narcissism (since he craves attention by any means) and psychopathy (since he demonstrates no empathy for his victims).

Why did Joker lose his eye

Joker, wearing his own version of the Batsuit, used Batman's extensive (and expensive) gadgets against him in the climactic fight, but, as soon as he got the upper hand, the villain was surprised by a bullet to the eye from Harley Quinn.

Why can’t Joker walk : Joker has a moderate to severe case of Vrolik syndrome, which causes extreme brittleness in the bones; he was born with severe fractures to his legs and even with modern medicine he finds walking nearly impossible, relying on crutches and leg braces.

The Joker movie makes it clear that not all of the events we see are real and that much of the action is imagined or hallucinated. It is never made apparent, however, just what events might be real, giving rise to the possibility that nothing we've seen actually happened and that the whole film is a madman's dream.

The psychopathology Arthur exhibits is unclear, preventing diagnosis of psychotic disorder or schizophrenia; the unusual combination of symptoms suggests a complex mix of features of certain personality traits, namely psychopathy and narcissism (he meets DSM-5 criteria for narcissistic personality disorder).

Does the Joker have an eating disorder

Phoenix said in interviews the severe weight loss may have given him "a disorder," making him obsessive about food and weight, causing him to withdraw from social events and interactions, and leaving him nearly too fatigued to climb stairs.Later, Arthur goes to Arkham State Hospital and steals his mother's records, and finds out that he was in fact adopted, and that Thomas Wayne is not his father and that Penny is not his true mother.The Joker (or Arthur) appears to have a complex mix of diagnoses, including pseudobulbar affect – a rare condition consisting of uncontrollable laugher or crying, and possibly a psychotic illness, evidenced by his apparent hallucinations about the subject of his affections (played by Zazie Beetz).

It was never fully revealed what the exact cause for the creation of the infection was other than it originating from Joker's mutated blood. It was probable that the chemicals that caused the Titan Disease (and maybe chemicals already in the clown's blood) caused Joker's blood to mutate, creating the infection.

How mentally ill is Joker : The psychopathology Arthur exhibits is unclear, preventing diagnosis of psychotic disorder or schizophrenia; the unusual combination of symptoms suggests a complex mix of features of certain personality traits, namely psychopathy and narcissism (he meets DSM-5 criteria for narcissistic personality disorder).

Does the Joker have a real condition : Fleck (aka the Joker) did indeed suffer from PBA. That said, however, Hollywood definitely embellished his presentation. For example, his hyperbolic ballet dance after a trauma would not seem to be explained solely or at all by PBA.

Why is Joker missing an eye

Missing Eye: Joker had his right eye shot out by Harley Quinn.

In Joker's case, pseudobulbar affect probably occurred secondary to severe traumatic brain injury (TBI). A number of studies have established that TBI increases the risk of mood disorders, personality changes and substance use disorders.Pseudobulbar affect (PBA), or emotional incontinence, is a type of neurological disorder characterized by uncontrollable episodes of crying or laughing. PBA occurs secondary to a neurologic disorder or brain injury.

Is Joker Bruce Wayne’s half brother : So, there is clear indication that 'Joker' Arthur Fleck and 'Batman' Bruce Wayne are not siblings or half-brothers.