This chapter discusses the role of education in healthcare. It provides an agenda for the lecture which includes objectives focused on understanding the teaching role of health professionals and the education process. The chapter then reviews the historical evolution of patient education from the 1800s to present day. Key trends have shifted education approaches from disease-oriented to prevention and health-oriented models. Barriers to teaching and obstacles to learning are discussed. The ASSURE model for developing education plans is presented along with a focus on technology's growing role in client education.