14 Worst Foods for Brain Health

Added and artificial sugars

Like sugary beverages, added and artificial sugars like aspartame can lead to impaired memory and cognitive decline. Unfortunately, around 90 percent of foods you find in the grocery store aisles are high in added sugar, according to Dr. Perlmutter. He advises shopping around the edges of the store, where most of the unprocessed (and low-sugar) foods are displayed.