Proper health care necessitates face‐to‐face interaction between health providers and their patients. This direct contact is important for two sets of reasons: the provider must assess the special quality and intensity of the patient's symptoms, emotions and pain; and the provider must create positive expectations, provide emotional support, and enlist the patient's cooperation with treatment. Regarding medical diagnosis, patients are often unable or unwilling to describe precisely and completely what is wrong with them. Regarding medical treatment, a number of factors make kind words and verbal prognoses from practitioners insufficient to communicate the expectations essential to “placebo” effects and the sense of commitment known to be therapeutic to a distraught patient. Effectivenonverbalcommunication—through touch, facial expression, voice tone, etc.—is essential for successful patient‐practitioner interaction. Major aspects of nonverbal communication that are of direct relevance to health care have been studied scientifically but have not yet been systematically utilized. Promising areas of application are reviewed