Analyze the following clinical profile. Based on the combination of symptoms presented, explain how a dysfunction in a single neurotransmitter system could account for all three behavioral patterns and why this specific combination indicates a particularly high risk for self-harm.

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Serotonin dysfunction is a known factor in depression and has also been associated with higher levels of aggression and impulsivity. The combination of these three traits—depression, aggression, and impulsivity—can create a psychological profile that significantly increases the likelihood of suicide, especially violent forms of suicide.

Low Serotonin's Link to Traits Associated with Suicide

A classic study conducted in the 1970s highlighted the connection between serotonin levels and suicidal behavior. The research discovered that patients diagnosed with major depressive disorder who exhibited very low levels of serotonin were more likely to attempt suicide, and to do so more violently, than depressed patients with higher serotonin levels.

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