Segerstrom and Colleagues Found That Optimistic Law Students

Segerstrom and colleagues found that optimistic law students:

A) had higher CD4 cell counts over the semester than did pessimists.
B) were more likely to appraise their coursework as a challenge rather than as a threat.
C) exercised more and avoided smoking and alcohol abuse.
D) had higher CD4 cell counts over the semester than did pessimists and were more likely to appraise their coursework as a challenge rather than as a threat.