One of the perks in my line of work is getting lots of packages in the mail from publishers who want me to review the latest books on ADHD. Recently, Dr. John Ratey, co-author of Driven to Distraction, and author of other important works, sent me a copy of his newest book, "Spark: The Revolutionary New Science of Exercise and the Brain". We'd recently had an interesting email exchange about exercise and its positive effects on ADHD. Though I haven't read it yet, Spark has gotten rave reviews....