" we humans (myself included) sometimes behave in ways that are not in our best interests because we lack sufficient information, we cannot control our environments, we are unfairly manipulated by others, and—crucially—because we are poorly adapted to control deep cravings for comforts and calories that used to be rare. Consequently, a sensible role of government that benefits everyone is to help one another make choices that we would rationally judge to be in our own self-interest. In other words, government has the right and even duty to nudge or sometimes push us to behave rationally while preserving our right to still behave irrationally if we so choose. Government also "

― Daniel E. Lieberman , The Story of the Human Body: Evolution, Health, and Disease