01/05/2026
What does it really mean when people say the brain keeps developing into the 30s?
In a recent appearance on On The Story on CNN, Mark Hrymoc, MD explains how research maps brain development across the lifespan.
From early childhood, to adolescence, to adulthood, the brain continues refining its efficiency and connections over time. Cognitive stability and peak performance tend to emerge later than many people expect, followed by gradual changes with aging.
Understanding how the brain develops can add helpful context to conversations around mental health, behavior, and personal growth.
Watch the full clip.
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