The healthcare industry (also called the medical industry or health economy) is an aggregation and integration of sectors within the economic system that provides goods and services to treat patients with curative, preventive, rehabilitative, and palliative care. It includes the generation and commercialization of goods and services lending themselves to maintaining and re-establishing health. The modern healthcare industry includes three essential branches which are services, products, and finance and may be divided into many sectors and categories and depends on the interdisciplinary teams of trained professionals and paraprofessionals to meet health needs of individuals and populations.