Originally Posted By: MarkL

In practice, dietary and health changes might have more positive impact than learning exercises. The detrimental effects of caffeine, dehydration, alcohol, poor sleep habits, etc probably have a greater effect than learning exercises. For example, if you watch the PBS lectures by Dr. Amen, he talks a lot about this as well as the importance of doing learning exercises as you age.
That, I think, is so true.
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snobbyish, yet maybe helpful.
http://keyboardclass.blogspot.com/