When Lauren is feeling down, she makes an extra effort to feel hopeful about the future and maintain a happy attitude. Lauren is most likely to benefit from her positive attitude by ______....

When Lauren is feeling down, she makes an extra effort

to feel hopeful about the future and maintain a happy

attitude. Lauren is most likely to benefit from her positive

attitude by ______.
a) experiencing less hypertension and not developing

diabetes
b) having a better-functioning immune system
c) living longer than her peers
d) all of the above