“…A growing body of literature suggests that midlife is a sensitive developmental period during which mental and physical health problems proliferate with increasing health heterogeneity (Lachman & James, 1997;Wickrama, Kwag, Lorenz, Conger, & Surjadi, 2010). At least a portion of the increasing health heterogeneity in later life may be attributable to differential exposure to chronically stressful conditions over the life course (House et al, 1994;Lovallo, 2005;Lorenz, Wickrama, Conger, & Elder, 2006).…”