Which of the following is a health-related component of physical fitness ?
a. reaction time
b. coordination
c. speed
d. muscular strength

D. Muscular strength , because it's part of physical fitness , or gaining muscular strength

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 )