The primary cause of death in the United States today is

A) accidents.
B) old age.
C) cardiovascular disease.
D) pneumonia.

Cardiovascular Disease

A class of diseases that involve the heart or blood vessels, such as coronary artery disease, heart failure, and stroke.

Pneumonia

An infection that inflames the air sacs in one or both lungs, which may fill with fluid or pus, causing cough with phlegm or pus, fever, chills, and difficulty breathing.

Accidents

Unplanned and unexpected events that cause injury or damage, typically occurring due to a lack of caution or unforeseen circumstances.