Personality and disease is interesting. There is rather a lot of literature on the so-called toxic personality ( and the hypothesis that stress hormones destroy neurons), links suggesting that introverts and neurotic people get less cancer, others saying more, or more heart disease.
I feel that most of these data are pointing to a role of hostility (bad for your heart) and depression (bad for everything). My retrospective advice?
Williams, C. L., Durm, M. W., (1998). Longevity in age-heterogamous marriages. , 82: 872-874.
> This is exactly the opposite of what I remember seeing; it's my memory
> that researchers found that curmudgeonly, selfish, outspoken people
> lived longer. Thus, the stereotype of an old man yelling "You kids get
> off my lawn!" He's still around, while the nice old lady who baked
> everyone cookies is presumably not.