Question

Hardening of the arteries is an example of _________, the leading cause of death in the Unites States.

Answer 1

Hardening of the arteries is an example of heart disease, the leading cause of death in the Unites States. The condition in which arteries become narrowed because fat (cholesterol deposits ) is first deposited on the inside walls of the arteries is known as atherosclerosis. This may eventually  block the artery, causing the death of the tissue supplied by the artery and cause heart attack or stroke.

Answer 2

39 is heart disease, and I think 40 is lifestyle choices.

Hope this helps you :)