Gollum had porphyria
The Lord of the Rings character Gollum was paranoid and had a split personality, according to a group of British doctors.
The doctors have sifted through Gollum's symptoms in a tongue-in-cheek diagnosis published in the British Medical Journal (BMJ).
They conclude that his paranoia and split personality were probably because he suffered from vitamin deficiency, anaemia, hyperthyroidism and a metabolic disease called porphyria.
"Gollum's diet is extremely limited, consisting only of raw fish. Vitamin B-12 deficiency may cause irritability, delusions and paranoia," they say.
"His reduced appetite and loss of hair and weight may be associated with iron deficiency anaemia. He is hypervigilant and does not seem to need much sleep.
"This, accompanied by his bulging eyes and weight loss, suggests hyperthyroidism.
"Gollum's dislike of sunlight may be induced to the photosensitivity of porphyria. Attacks may be induced by starvation and accompanied by paranoid psychosis."
Porphyria is an inherited disease of the metabolic system.
The 'study', lead-authored by psychiatrist Elizabeth Sampson of the Royal Free and University College Medical School in London, describes Gollum as "a single, 587-year-old hobbit-like male of no fixed abode".
"He has presented with anti-social behaviour, increasing aggression and preoccupied with the 'one ring.'," it said.
"He has no history of substance misuse, although like many young hobbits, he smoked 'pipe weed' in adolescence."
The diagnosis concludes: "Gollum displays pervasive maladaptive behaviour that has been present since childhood with a persistent disease course.
"His odd interests and spiteful behaviour have led to difficulty in forming friendships and have caused distress to others.
"He fulfils seven of the nine criteria for schizoid personality disorder."
In JRR Tolkien's Lord of the Rings trilogy - subsequently turned into a trio of Oscar-winning films - Gollum, a thin, pale, gangrel creature, is enslaved by a magic ring made by the evil Sauron.
In his desperation to retrieve it, his mind persistently fights between a "good" personality, Smeagol, and a nasty one, Gollum.
The original article is here.
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