Complex sentence: Sears has profitted from giving advice that parents avoid or delay vaccinating their children, counter to the recommendations of mainstream medical bodies, and his book recommends following an alternative vaccine schedules, rather than that of the American Academy of Pediatrics.
Split into simpler sentences: Sears has profitted from giving advice that parents avoid or delay vaccinating their children, counter to the recommendations of mainstream medical bodies. His book recommends following an alternative vaccine schedules, rather than that of the American Academy of Pediatrics.