The Next Big Idea Daily The 5 Habits That Keep Your Brain Young
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Mar 24, 2026 
Majid Fotuhi, neurologist and brain health researcher behind The Invincible Brain, offers a science-backed plan to keep cognition sharp. He explains neuroplasticity and a 12-week brain fitness program. He outlines five pillars—exercise, sleep, diet, mindset, and mental challenge—and how building brain reserve can help you become a superager.
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Cortex And Hippocampus Are Highly Malleable
- The cortex and hippocampus drive higher cognition and are highly malleable throughout life.
- Majid Fotuhi says these regions can expand or shrink within weeks based on exercise, sleep, diet, stress management, and mental challenge.
Use A 12-Week Neuroplasticity Program
- Use neuroplasticity-based training to strengthen cognition via targeted 12-week programs.
- Fotuhi developed a 12-week brain fitness program used clinically to improve memory, attention, and cognitive function.
You Can Grow Many Kinds Of Intelligence
- Intelligence is multiple and can be improved at any age by strengthening cortex–hippocampus connectivity.
- Fotuhi describes 30 forms of intelligence and links skill growth to targeted practice and neuroplasticity.
