Nowadays chronic non-infectious diseases are spreading rapidly and health risk factors related to people's behavior are becoming more and more significant. Efficient communication between medical personnel and their patients is one of the basic ways to stimulate self-preserving behavior. The paper dwells on health communication phenomenon and basic theoretical approaches which allow to get an insight into the essence of the process. Communication is studied at interpersonal, group, organization, and mass levels. As information technologies now play a significant role in the life of any society, the author considers certain possibilities of their application in public health care, for example, in such spheres as electronic and mobile heal...