Healthcare is the organized system of preventing, diagnosing, and treating physical and mental illnesses. It encompasses everything from routine check-ups and emergency surgeries to public health initiatives and therapy, provided by licensed professionals to improve and maintain overall well-being.The healthcare ecosystem is generally categorized into three primary levels of care, each designed to meet specific medical needs:1. Primary CareWhat it is: Your first point of contact for ongoing health management.Examples: Routine physicals, vaccinations, treatment of common illnesses, and health education.Providers: General practitioners, family doctors, pediatricians, and nurse practitioners