"Everyone in the U.S. is consuming salt far in excess of what is good for them," says lead author Dr. Kirsten Bibbins-Domingo of UCSF.

Shouldn't preparing—and consuming—food be a source of comfort, pride, health, well-being, relaxation, sociability?

since African agriculture is still broadly unproductive, food is imported, consuming a portion of revenue.

They are too often built around consuming natural resources.

As long as we're consuming fossil fuels, we're putting out CO2,"says Klaus Lackner, a geophysicist at Columbia, University" We cannot let the CO2 in the atmosphere rise indefinitely.