Preventive care is essential for several reasons: 1. Cost-effectiveness: Preventing disease is often more cost-effective than treating it. 2. Improved Quality of Life: Preventive measures can enhance the quality of life by reducing the burden of disease. 3. Increased Lifespan: Effective preventive care can lead to longer, healthier lives. 4. Strain on Healthcare Systems: Preventive care can reduce the load on healthcare systems, allowing them to function more efficiently.