International Wellness Day is observed worldwide every April 15 and was established by the United Nations to emphasize the importance of wellness in enhancing quality of life and alleviating pressure on healthcare systems. The day promotes a holistic approach to well-being, defining health as complete physical, mental, emotional, and social wellness rather than merely the absence of illness. It highlights the significance of a healthy lifestyle in preventing noncommunicable diseases, such as cardiovascular conditions and diabetes, which can strain healthcare resources. Member states are encouraged to review and integrate wellness into their public health policies, focusing on preventive care and addressing social factors that affect health. International Wellness Day is distinct from other observances like International Mind-Body Wellness Day and Global Wellness Day, which focus on different aspects of health and wellness.