De Vogli, Chandola and Marmot (2007) examined the association between negative aspects of close relationships and increased risk for cardiovascular disease; and whether the association was …show more content…
Chida and Steptoe identified 26 articles on initially healthy populations and 30 articles on people with established illnesses. Follow-up periods ranged between 2 and 44 years in healthy population studies and 1–20 years in studies of people with existing disease. Positive well-being was associated with reduced mortality, with stronger effects evident in healthy populations, than in those with diseases. Importantly, these effects persisted when analysis was limited to the better controlled studies and was also maintained when negative affect was taken into account statistically. This is significant since it implies that positive affect may be protective over and above the absence of emotional