Millions of people know John Gray as the best-selling author of the relationship between Mars and Venus. His books restored faith in love to millions of couples and showed a way out of the most difficult conflicts. This book is another important step towards success and prosperity for Mars and Venus. John Gray introduces the results of 30 years of research that he devoted to studying the work of the brain and ways to increase its efficiency.Have you ever noticed that you can't focus on actions or thoughts? A responsible job or a serious conversation was waiting for you, and you were full of enthusiasm to do everything "excellent", but ... after a few minutes you were distracted by Facebook, email, snacks, watching the latest news, writing SMS. Your brain is overloaded with information, you are tired, but it’s worth it, and someone else becomes successful ...John Gray has done thousands of studies to find tools that improve brain function, increase memory, concentration and performance, and today he presents you with truly revolutionary ideas!Get your brain working efficiently and you can solve many problems in your career and relationships!The publisher's layout has been saved in a4.pdf format.