Reduced-fat peanut butter
Repeat after us: The fat from nuts is good for you! A 2013 Harvard study found that people who ate an ounce (a small handful) a day had a 20 percent lower risk of dying than people who didn’t. What’s more, when you compare labels of regular and reduced-fat peanut butter, you’ll see that calories are roughly equal. The difference, notes CookingLight.com, is that reduced-fat versions add more sugar to make up for the lack of fat. So choose the regular kind, and stick to 1 to 2 tablespoons per serving. And here are the 10 foods you want to skip for a long, healthy life.