People who experienced income drops of 25% during young adulthood were more likely to have poorer cognitive functioning in middle age. Researchers found that people with two or more income drops of 25% experienced a drop in performance by 2.8% when completing tasks compared to people with no income drops. These findings were reported in “Relation Between 20-Year Income Volatility And Brain Health In Midlife; The CARDIA Study” by Leslie Grasset, M. Maria Glymour, Tali Elfassy, Samuel L. Swift, Kristine Yaffe, Archana Singh-Manoux, and Adina Zeki Al Hazzouri. The researchers analyzed 3,287 participants who were 23 . . .