The number of bins in this histogram (caffeine content in mg/oz for 65 soft drinks)is consistent with Sturges' Rule. 
Definitions:
Mood Disorders
A category of psychiatric disorders characterized by a disturbance in mood or emotional state, including conditions like depression and bipolar disorder.
Childhood Schizophrenia
A rare and severe form of schizophrenia that manifests in children under the age of 13, characterized by hallucinations, delusions, and disordered thinking.
Dialectical Behaviour Therapy
One of the cognitive-behavioural approaches to treatment of borderline personality disorder
Suicidal Behaviour
Actions or plans made by an individual with the intention to end their own life, often associated with mental health disorders.
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