Exercise reduces stress by _?
a. increasing endorphins and reducing levels of stress hormones.
b. providing a therapeutic way to reduce or eliminate pain.
c. expanding aerobic capacity.
d. suppressing endocrine function.

A. increasing endorphins and reducing levels of stress hormones. 

Depends on which disease, but as a general rule eat healthy. many vegetables.                                                        hope my answer has come to your . you for posting your question here in we hope to answer more of your questions and inquiries soon. have a nice day ahead! : )     (p.s mark as brainliest if )