Diet Coke’s intense sweetness, caloric emptiness, and caffeine content hacks our most innate neurological and psychological responses to keep us unconsciously reaching for another bottle.

The U.S. Department of Agriculture’s Dietary Guidelines for Americans recommends 10% to 35% of your daily calories come from ...

like a noncarbonated sugar-free beverage such as green tea. There’s also caffeine to factor into the equation. In a 12-ounce ...