John Gray explains his findings concerning Parkinson’s disease, ADHD and Autism. What started out as a search to better understand his own diagnosis of Parkinson’s, turned into an in-depth exploration of the cause and ways to relieve the symptoms of ADHD. He discusses various techniques ranging from meditation and introspection to supplements which can protect brain health and promote healthy functioning of the body and mind.John Gray is the author of 25 best-selling books, including Men are from Mars, Women are from Venus, the #1 best-selling book of the last decade and the #1 relationship book of all time with more than 50 million copies sold in 50 different languages.