It was late, almost 9 at night, when Justin Holden pulled the icy pizza box from the refrigerator at the Brookville Supermarket in Washington, D.C.
He stood in front of the open door, scanning the nutrition facts label.
A close relative had recently had a heart attack, and in the back of his mind there was this idea stalking him: If he put too much salt in his body, it would eventually kill him.
For this reason the information in the label wasn’t exactly soothing: 1,110 milligrams of sodium seemed like a lot.
But there was even worse-sounding stuff at the bottom of the label.