Final answer:
Three components of a healthy lifestyle that increase life expectancy and decrease the risk of diseases are not smoking, eating a healthy diet, and regular exercise.
Step-by-step explanation:
There are three components to lifestyle that increase life expectancy and decrease the risk of developing diseases. These include:
- Not smoking: Smoking tobacco is a major risk factor for cancer and can significantly decrease life expectancy. By avoiding smoking, individuals can prevent around 25% of cancer deaths.
- Eating a healthy diet: Consuming a diet that is high in fruits, vegetables, whole grains, and low in saturated fats and sugars can reduce the risk of noninfectious diseases like heart disease, stroke, and diabetes. This can help lower mortality rates and increase life expectancy.
- Regular exercise: Engaging in moderate to high levels of physical activity has been shown to lower mortality rates and increase life expectancy. People who are physically active have better overall health and are less at risk for diseases like heart disease, cancer, and diabetes.