Baqiyatallah University of Medical Sciences International Journal of Medical Reviews 2345-525X 13 2 2026 06 01 Why Do We Grow Old: An Extensive Review 1111 1122 248537 10.30491/ijmr.2026.565207.1360 EN Abid Nadeem Nomani Clinical Research Unit (U), Goa, CCRUM Birjis Fatma Department of Niswan WA Qabalat, Ajmal Khan Tibbiya College, AMU, Aligarh Jamal Akhtar Central Council for Research in Unani Medicine, New Delhi Shah Alam Regional Research Institute of Unani Medicine, Mumbai Nirmala Devi MK Regional Research Institute of Unani Medicine, Mumbai N Zaheer Ahmad Central Council for Research in Unani Medicine, New DelhIii Journal Article 2025 12 09 Ageing is a ubiquitous and fundamental phenomenon that results from the progressive changes in the organ, which produces a decline in function. The concept of ageing is very old in the Unani system of medicine. Since the Hippocratic era (460 -370 BC), physicians have been interested in preserving the health of the elderly, extending life, and preventing age -related illnesses. Ageing is primarily influenced by lifestyle, environmental changes, dietary habits, occupation, chronic illness, psychosocial conditions. Small steps in eating — such as dividing a whole day’s diet into three to four meals — moderate exercise, and acquiring healthy habits, are a good, healthy start to a better quality of life for the elderly.<br>Ageing is a biological process that affects people at varying speeds. Aging has been defined as a general deterioration in physiological processes that leads to failure to adjust to environmental demands (for example, adaptability to stress) and eventually death. https://www.ijmedrev.com/article_248537_a9d79bdc96c7afe7c8cf7199ddb1568e.pdf