Most tribal societies provide no guarantee of healthcare for the population as a whole. In such societies, healthcare is available to those that can afford to pay for it or have self-insured it or who may be covered by care financed by the government or tribe directly. Achieving and maintaining health is an ongoing process, shaped by both the evolution of health care knowledge and practices as well as personal strategies and organized interventions for staying healthy. Meningococcal disease Meningococcal disease is a serious and sometimes fatal illness.
- IOS 16 brings a new way to manage, understand, and track your medications, enhancements to Health Sharing, and big updates to Sleep.
- The National University Health System is one of three public healthcare clusters in Singapore, and an integrated Academic Health System and Regional Health System that delivers value-driven, innovative and sustainable healthcare in Singapore.
- Mental health support Should you, or someone

