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Today's medical technology is truly lifesaving. From finding ailments through body scans to treating infections with antibiotics, the methods used to diagnose and treat disease are astounding. Your readers will go back in time to learn how anesthetics, antibiotics, body scans, and vaccines were discovered and developed. How each works, safety, side effects, and the future of these medical marvels is discussed in age-appropriate detail, complemented by full-color photographs of actual people and animals in medical need. Features include: Graphic organizers of diseases at work in the body clarify main content explanations. Real-world examples and application make science content relevant. Supports STEM curricula.