All levels of services shown in the pyramid are important to the healt care system with healt as a goal. It has been said that "the greater the effectiveeness of services in the lower tiers, the greater is the capabihty of higher tiers to contribute efficiently to health improment" (U S. Public Health Service, 1994/2000). Because of the importance of the basic public health programs, mem bcrs of the Core Functions Project argued that all levels of health care, including the population based public health care, must be funded or the goal of health of populations
may never be reached.