1. The document defines key concepts related to communication and health behavior including communication, health education, knowledge, attitudes, beliefs, and behavior.
2. It describes the basic communication process involving a sender, message, channel, receiver, and feedback. Effective communication in healthcare aims to improve patient outcomes.
3. The stages of behavior change are outlined according to models like the health belief model, moving from awareness to interest, knowledge, attitude, practice, and sustainability of new behaviors. Health education specifically aims to change an individual's knowledge, attitudes, and practices related to health.