Healthcare research is the systematic investigation of health-related issues to improve patient care and outcomes. It encompasses various fields, including clinical trials, epidemiology, and health policy, aiming to understand diseases, develop new treatments, and evaluate healthcare systems. This research often involves collecting and analyzing data from patients, healthcare providers, and medical records. The findings can lead to advancements in medical practices, inform public health strategies, and guide policy decisions, ultimately enhancing the quality of care and promoting better health for communities.