Elderly people have several characteristics that make them unique. They have several factors such as environmental factors and demographic factors such as age, sex, socioeconomic level, and schooling, which contribute to these differences being accentuated. As one ages, these various organic and systemic features are accentuated. The pace varies between people, and organs and systems suffer from several normal and adverse changes that make them more or less susceptible to diseases and injuries, and the medications are responsible for many of these threats. This article raises awareness about these changes.