16) exercise can reduce the risk of heart disease by which of the following?
a. raising the resting heart rate
b. increasing the number of capillaries
c. increasing low-density lipoprotein (ldl) levels
d. raising triglycerides

I say it's A. But I'm not 100% positive, so sorry if my answer isn't helpful. 

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 )