The topic of this paper is information needs and behaviors related to health information. The theoretical part of the paper deals with the concept of health in general, the concept of health information, and the concept of information behavior. In addition to the above, there is talk of searching for health information to point out to the reader the ways in which people can access health information. The concept of health literacy is explained, an overview and comparison of the most common definitions is provided, and tests aimed at examining health literacy are listed, and the role that public libraries in Croatia play in promoting health literacy is analyzed. In the empirical part of the paper, a review of the research aimed at determining the health needs and information behavior of the respondents in the city of Zadar is presented. Comparing the results of the research with the results of research conducted in a paper entitled The needs of users of the Zadar City Library for health information and library programs from 2018, it is evident that the needs of respondents in terms of health information they most often need are almost equal, and they are mostly interested in information about disease descriptions and symptoms , treatments, and a healthy diet. Respondents cite doctors, the Internet, family and friends as the most common sources of health information.