Covering the wide gamut of techniques that heal and cure ailments in the world of Masashi Kishimoto's Naruto, medical ninjutsu is a specialized branch of shinobi arts practiced by a distinct group of ninja known as medical-nin. Requiring high intelligence and chakra control, medical ninjutsu has been responsible for saving innumerable lives on the battlefield over the course of the Second, Third, and Fourth Shinobi World Wars.