You should maybe read the book called "Spark: The Revolutionary New Science of Exercise and the Brain" - http://www.amazon.com/Spark-Revolutionary-Science-Exerc

You should maybe read the book called "Spark: The Revolutionary New Science of Exercise and the Brain" - http://www.amazon.com/Spark-Revolutionary-Science-Exercise-Brain/dp/0316113506/ http://www.amazon.com/Spark-Revolutionary-Science-Exercise-B... A great deal of what you're saying (and many more) is explained there.