 Good health and well-being. Good health and well-being contribute to a person's quality of life throughout every stage of development. Many factors contribute to healthy living, as health is not just the absence of disease. It's a state of physical, mental, and social well-being. To ensure good health, basic needs must be met, such as access to clean water, sanitation, sanitation, and nutritious foods, as well as quality healthcare, medicines, and vaccines. Well-being integrates both physical and mental health. It measures positive emotions, positive functioning, and satisfaction with life. Access to basic resources and positive social relationships lead to higher levels of well-being. A person's well-being can affect many aspects of their life, from the way they perform at work, to the quality of their family interactions and social life. Good health and well-being encourage personal and societal development. People who feel healthy and have a positive outlook on their life can live more productively, contribute more to their families, friends, and communities.