Predict the major product for the following reaction. 
Definitions:
Epidemiological Studies
Investigations looking at how diseases are distributed among populations and the factors influencing their spread.
Early Adolescence
A developmental phase covering the onset of puberty, typically ages 10-14, marked by rapid physical, emotional, and cognitive changes.
Diagnosed
The identification of a disease or condition by its signs, symptoms, and possibly testing, often leading to treatment or intervention.
Neurologically Immature
A condition where an individual's nervous system has not reached full development, potentially impacting various aspects of functioning.
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