Curious about the questions you’ve always had about the penis but felt too embarrassed to ask? Dr. Aaron Spitz is here with the answers—and much more. As a former assistant clinical professor in Urology at UC Irvine and a regular guest on The Doctors, Dr. Spitz brings his expertise to The Penis Book. This comprehensive guide dives into everything from sexually transmitted infections to the science behind blood flow. It also includes a simple five-step holistic plan for optimal penis health, with tips on plant-based nutrition, penis-friendly foods, and exercises for maintaining wellbeing. Whether you’re a man or woman, The Penis Book is your ultimate resource for keeping the penis in your life healthy and thriving.