What do further increases in life expectancy depend on according to scientific consensus?

Further increases in life expectancy are widely believed to hinge on a combination of changing personal lifestyles and pollution control.

Changing personal lifestyles encompasses a range of health-related behaviors, including diet, physical activity, smoking cessation, and alcohol consumption. Improvements in these areas can significantly impact individual health and longevity. For instance, healthier eating habits and regular exercise can reduce the risk of chronic diseases such as heart disease, diabetes, and certain types of cancer, ultimately contributing to longer life expectancy.

Pollution control is also a critical factor. Environmental contaminants such as air and water pollution have direct health implications, leading to respiratory diseases, cancers, and other serious health issues. Effective pollution control measures can help reduce these health risks, thus playing a significant role in improving the overall health of populations.

Together, these elements—personal lifestyle changes and pollution control initiatives—form a comprehensive approach to enhancing life expectancy in the scientific consensus. This underlines the importance of addressing both personal choices and environmental factors in public health strategies aimed at improving longevity.