The document summarizes a study that compared the mental health of active elderly individuals who participated in regular physical activity to inactive elderly individuals. The study found that: 1) Active elderly individuals had significantly better mental health across physical, stress, social, and depression measures than inactive elderly individuals. 2) There was no significant difference in mental health between active elderly males and females, indicating that both benefit equally from physical activity. 3) Regular physical activity was concluded to enhance not just physical fitness but also mental health and quality of life for elderly individuals.