> “We suggest that this is because poverty-related concerns consume mental resources, leaving less for other tasks.” So I think they are saying "mental preoccu

> “We suggest that this is because poverty-related concerns consume mental resources, leaving less for other tasks.” So I think they are saying "mental preoccupation" more than "stress" per se is the cause of the decline. At a certain point, however, mental preoccupation is the same as stress so it may be a distinction without a difference.