Goal 3 of the United Nations Sustainable Development Goals focuses on ensuring healthy lives and promoting well-being for all people at all ages. It aims to reduce maternal and child mortality, combat epidemics, and provide access to essential health services and medicines. The goal emphasizes the importance of mental health and well-being, as well as the need for universal health coverage. To achieve Goal 3, countries are encouraged to strengthen their healthcare systems, improve access to quality healthcare, and promote healthy lifestyles. This includes addressing issues like air pollution, substance abuse, and the spread of infectious diseases. By prioritizing health, nations can enhance the quality of life for their citizens.