Service projects that provide greater access to aid programs and organizations are the kind to improve the life expectancy on the nations with lowest life expectancy. The public and private health aid brings care that responds to deadly illnesses and diseases that are easily preventable and treatable. Vaccines and medical services improves the life expectancy of a nation.
Gender balance is an important factor in determining the health of a nation. Gender is an important health determinant because biological differences between men and women lead to differential health outcomes. With gender balance, biologically specific health needs will be equally accommodated.