Which of the following factors are linked to one of the major causes of death in the United States? 1. Use of tobacco 2. High-fat diet 3. Excessive alcohol use 4. High-sodium diet

a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

ANS: B
Primary causes include tobacco use, poor diet, physical inactivity, and excessive alcohol use.