Which lifestyle factor is associated with negatively impacting health?

Smoking is a lifestyle factor that is consistently associated with numerous adverse health effects. It is a leading cause of many chronic diseases, including lung cancer, heart disease, and respiratory conditions. The toxins and chemicals found in cigarette smoke can damage nearly every organ in the body, leading to both immediate and long-term health implications. Additionally, smoking not only affects the health of the individual but also poses significant risks to those exposed to secondhand smoke.

On the other hand, regular exercise, a balanced diet, and proper hydration are all recognized as positive lifestyle factors that contribute to better health outcomes. Regular physical activity helps maintain a healthy weight, improves cardiovascular health, and enhances mental well-being. A balanced diet ensures the body receives essential nutrients for optimal functioning, while adequate hydration supports numerous bodily functions critical for health.