Head Strong: The Bulletproof Plan to Activate Untapped Brain Energy Head Strong is a book written by Dave Asprey. Learn Dave’s bulletproof plan to activate your untapped brain energy to work smarter and think faster in just two weeks. You should read Head Strong if you: want to get rid of brain fog want mood stability throughout the day want to decrease … [Read more...] about Head Strong: The Bulletproof Plan to Activate Untapped Brain Energy (Book Review)