A potato-chip brand once famously boasted, “No one can eat just one.” And of course, no one can. But according to the Food and Drug Administration (FDA), you aren’t going to eat more than 16 ...

What a serving size looks like Erin Brodwin, Jacqui Frank, and Hollis Johnson Jul 20, 2016 ...

Many people don’t realize that a serving of beef or chicken is 3 ounces, let alone know how much meat is in that 3 ounce serving. For beef or chicken, 3 ounces is about the size of a deck of cards.