The book "Grunt: The Curious Science of Humans at War" by Mary Roach explores various aspects of military life and the unique challenges faced by soldiers. One significant topic discussed is the advancements in phalloplasty, a surgical procedure that reconstructs a functioning penis using tissue from other areas of the body. This medical progress has been enhanced by contributions from the transgender community, highlighting the intersection of warfare and medical innovation.

The author raises the question of what can be done for men who have suffered injuries that affect their genitalia. She emphasizes that there are numerous solutions available now due to the evolution of surgical techniques. The discussion not only sheds light on the physical ramifications of war but also acknowledges the transformative power of medicine and the importance of inclusivity within medical advancements.