Japanese edition of The Bulletproof Diet: Lose up to a Pound a Day, Reclaim Energy and Focus, Upgrade Your Life by Dave Asprey. After traditional diets and exercise failed to control his weight, he applied his IT programming skills to his health problem and analyzed everything. The result is the most successful weight loss and health guide today, and explains why it works, with scientific studies. In Japanese. Annotation copyright Tsai Fong Books, Inc. Distributed by Tsai Fong Books, Inc.