Which of These Statements About Obesity in the U

Which of these statements about obesity in the U.S.is FALSE?

A) Obesity and the high-fat diet and sedentary lifestyle that contribute to it are the second most common cause of premature death in the U.S.
B) Poor diet and insufficient exercise contribute to the risk of colon cancer, cardiovascular disease, and stroke.
C) Since 1980, the American public has gotten more health-conscious and rates of obesity have been on the decline.
D) High-fat diets and sedentary lifestyles are major factors contributing to obesity in the U.S.