
Ever wondered why traditional classrooms and cubicles kill productivity? "Brain Rules" reveals 12 scientifically-backed principles for optimizing your brain. Featured in Harvard Business Review as a "breakthrough idea," Medina's vision even inspired Google's revolutionary 20% time policy.
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Ever notice how your best ideas arrive during a walk, not while staring at a screen? There's a reason. Your brain evolved while traversing 12 miles daily across African savannahs-solving problems, spotting threats, finding food. That sophisticated organ between your ears developed not for sitting still, but for constant movement through unpredictable terrain. This mismatch between our evolutionary heritage and modern sedentary life explains why exercise isn't just good for your body-it's essential for your brain's basic functioning. Exercise doesn't make us smarter; it restores us to our natural cognitive state. When you move, your brain receives 20% of your body's energy despite being only 2% of its weight. Physical activity triggers blood vessels to produce nitric oxide, creating new pathways that penetrate deeper into brain tissue, especially the hippocampus where memories form. It also floods your system with BDNF-Brain Derived Neurotrophic Factor-essentially fertilizer for your neurons. Studies consistently show active people outperform sedentary ones in memory, reasoning, attention, and problem-solving. Schools cutting physical education to boost test scores are employing a tragically counterproductive strategy. Progressive companies implementing exercise breaks see teams hitting more performance targets. The solution might be radically simple: treadmill desks, walking meetings, twice-daily movement breaks-bringing our work environments closer to the conditions under which our remarkable brains actually evolved.
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Criado por ex-alunos da Universidade de Columbia em San Francisco
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"It is great for me to learn something from the book without reading it."
"The themed book list podcasts help me connect ideas across authors—like a guided audio journey."
"Makes me feel smarter every time before going to work"
Criado por ex-alunos da Universidade de Columbia em San Francisco

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