Concept
BDNF (Brain-Derived Neurotrophic Factor)
2 books in the library reach for this idea - each in its own way. When independent authors converge on one concept, it usually deserves attention.
Keep Sharp
How this book uses it: Protein released during exercise that acts like fertilizer for neurons, promoting growth and survival. Apply: Aerobic exercise 4-5x per week for 30+ minutes.
Spark
How this book uses it: A protein released during exercise that acts like "Miracle-Gro for the brain." It strengthens neurons, promotes new neuron growth, and enhances learning and memory. German study: people learn vocabulary 20% faster after exercise, directly correlating with BDNF levels.