Degenerative changes occur in the majority of physical, physiological, and psychological systems as we age, which is a natural and unavoidable process. Additionally, ageing affects the physical well-being of senior persons. As a result, the purpose of this study is to enlighten readers about the consequences of ageing and how changes in physical fitness are one of the main factors contributing to chronic illnesses in older people. The correlation between physical exercise and fitness in the elderly also supports the positive effects on health. As a result of a slow buildup of damage, ageing is essentially viewed as an organism's ability to operate declining over time