EVERWELL

Nuts have been around forever, but so has the debate: if they’re packed with fat and calories, how can they be good for you? For years, nutrition experts have gone back and forth on this question. Now, a major new umbrella review, essentially a mega-analysis of existing research, has given us one of the clearest answers yet. In this article, we’ll break down what the science says and how a simple handful of nuts a day can make a big difference to your health. What Exactly Is an Umbrella Review? Think of it as the ultimate summary. Instead of running one experiment, scientists look at all the top-quality studies and meta-analyses ever done on a topic and combine their results. It’s the “study of studies,” giving a bird’s-eye view that helps cut through conflicting data and highlight what’s really true. This method is especially powerful for questions like this, ones that have been studied for decades but still cause confusion. And in this case, it’s helped confirm what many dietitian...