Socialstyrelsen is the Swedish National Board of Health and Welfare, responsible for overseeing public health, social services, and welfare in Sweden. It provides guidance and support to municipalities and regions, ensuring that citizens receive high-quality care and services. The agency also conducts research and collects data to inform policy decisions. In addition to its regulatory role, Socialstyrelsen develops national guidelines and standards for various health and social care practices. It works to improve the overall well-being of the population by promoting health initiatives and addressing social issues, such as mental health and substance abuse.