What are potential risks of not engaging in physical activity?

Not engaging in physical activity can lead to an increased risk of chronic diseases, making this the correct answer. Regular physical activity is crucial for maintaining overall health, and its absence can contribute to a sedentary lifestyle, which has been linked to various health issues.

Lack of exercise can result in weight gain and obesity, which significantly raises the risk of conditions such as type 2 diabetes, heart disease, and certain cancers. Additionally, physical activity helps regulate blood pressure and cholesterol levels, both of which are factors in developing chronic diseases. Thus, the absence of movement can create a domino effect that leads to a deterioration in health and an increased likelihood of these serious ailments over time.

In contrast, other options such as improved physical health and fitness, enhanced social bonds, and better mental clarity are typically outcomes of regular physical activity rather than effects of inactivity.