In addition, the role of the health sector and that of other sectors in improving the health of individuals and populations must also be balanced. A modern understanding of the effective realization of right to health requires a "health in all policies" approach. To fully achieve goals, such as to reduce infant or under-5 mortality, improve mental health, reduce the burden of non-communicable diseases or promote the health of older persons, all sectors and all branches responsible for public policies need to be involved.