From the creator of Bulletproof Coffee and author of the bestselling The Bulletproof Diet comes a revolutionary plan to upgrade your brainpower—in two weeks or less. For the last decade, Silicon Valley entrepreneur Dave Asprey has worked with world-renowned doctors and scientists to uncover the latest, most innovative methods for making humans perform better—a process known as "biohacking." In his first book, The Bulletproof Diet , he shared his biohacking tips for taking control of your own biology. Now, in Head Strong , Asprey shows readers how to biohack their way to a sharper, smarter, fas ... More from Amazon