SDG 3 aims to ensure healthy lives and promote well-being for all ages by 2030. It has 13 targets focused on reducing maternal and child mortality, fighting diseases, promoting mental health and road safety, expanding access to healthcare, and reducing pollution-related deaths. The targets cover ending preventable deaths of newborns and children under five, combatting communicable diseases, increasing access to reproductive and universal healthcare, and improving early warning systems for global health risks.