An older adult man has been diagnosed with parkinson's disease and has begun treatment with levodopa and carbidopa. when providing health education about his new medication regimen, what should the nurse teach the man?
a. "this medication can cure parkinson's disease, but this is not necessarily the case for everyone."
b. "this medication helps significantly but the benefits tend to decrease over time."
c. "if you're consistent with taking your medication, you might not experience symptoms for several more years."
d. "the beneficial effects of this medication usually increase over time, so you may not get maximum relief for a few years."