This Chart Shows You How to Estimate Food Portions By Sight. Dick Talens ... When you're tracking calories, estimating portion size can be tricky, especially when eating out.

When I was a kid in the 1970s and early ’80s, processed food was everywhere. I remember TV dinners, fish sticks, Tater Tots, Hamburger Helper, canned pear halves in sugar goo, and more.

This morning the USDA unveiled their new food chart, finally replacing the food pyramid which first debuted -- and was trashed pretty much since -- in 1992. The new chart also comes with its own ...

Portion size vs serving size: What’s the difference—and why does it matter? It’s a subtle, but significant difference, says Dennett. “A serving size is the amount of food you’re served ...

According to this chart from the CDC, fast-food burgers have more than tripled in size since the 1950s, going from four ounces (i.e. a quarter pound) to a whopping 12.

Yet the chart tells us that the food system generated 463 calories from “meat, eggs, and nuts” in 1970 and and 482 calories from those foodstuff in 2008. That’s just a 4 percent increase.