Health-care workers play an important role in keeping people happy and healthy. Doctors, nurses, and psychologists diagnose diseases and injuries, caring for patients of all ages. Other health-care professionals educate people about healthy habits, respond to emergencies, or help hospitals run smoothly. This book explores a wide variety of careers in the field, covering the education and skills needed for each job. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.