Download or read book What Happy People Know written by Dan Baker, Ph.D. and published by Macmillan. This book was released on 2004-01-19 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Profiles unhappiness as a chemical brain response that helped early humans survive, offering advice on how to achieve happiness by retraining brain activity, accepting a painful past, and designing a future.