A chronic illness is an ailment that
a. lasts for only a short time.
b. recurs due to weather conditions.
c. lasts over a period of years.
d. cannot be controlled by medicine.
A Chronic illness last over a period of years. The answer is C.
Answer A is wrong, that would be acute illness B. recurs due to weather conditions is wrong, but can make a chronic illness worse D. Cannot be controlled by medicine is wrong, but some Chronic Illness symptoms can be alleviated by medicines but not cured.
