Topics: Economics and Personal Finances, Socioeconomic Class. 1  Richard Fry is a senior researcher focusing on economics and education at Pew Research Center. 2  Rakesh Kochhar is an associate director of research at Pew Research Center.
In the United States, the Census Bureau determines who is poor using an economic poverty measure, by calculating official poverty estimates using a set of dollar-value thresholds, or minimum amount of income needed to meet basic needs, that vary by family size and composition.
It found participants whose diets most closely followed the MIND recommendations had a level of cognitive function the equivalent of a person 7.5 years younger. The MIND diet breaks its recommendations down into 10 brain healthy food groups a person should eat and five unhealthy food groups to avoid.