Prepacking meals is one way to keep tabs on calories, but if you jam-pack your lunch box with tons of food in large containers, you might consume more calories than you expect. Portion control is key ...

Controlling food portion sizes can help reduce energy intake, but the effect of different portion-control methods on weight management is not known. In a 1-year randomized trial, we tested whether the ...

Systematic studies have shown that providing individuals with larger portions of foods and beverages leads to substantial increases in energy intake. The effect is sustained over weeks, supporting the ...

With two-thirds of U.S. adults overweight, it’s not rocket science to conclude that we don’t have a clue about how much to eat. But now there’s a countertop gadget that looks a little like a kid’s ...