What Cultural Differences And/or Changes in Our Society Can Lead

What cultural differences and/or changes in our society can lead to an increase in BMI (body mass index) and a corresponding increase in cardiovascular disease?

A) There is a decrease in physical activity due to distractions such as TV.
B) Food portion sizes have increased,and so,there are a larger number of calories being eaten.
C) Diets high in cholesterol and saturated fats tend to concentrate in certain regional diets.
D) Limited physical activity tends to be concentrated in regions where the climate does not allow for outdoor exercise.
E) All of the answers are correct.