What are the major dietary problems of Americans? How has American society contributed to this problem? What is the BMI?
What will be an ideal response?
* The major problems are excesses and imbalances in the food we consume.
* Dietary factors associated with an increase in the consumption of dietary fat such as eating out more, eating more fast foods, and a generally higher percentage of fat in our diets.
* We also live in an era of supersizing meals; simply increasing the size of portions increases the amount of food we eat.
* The physical inactivity of our population also contributes; 66% of adults in the U.S. engage in less than 30 minutes of exercise on a daily basis.
* The BMI is a single-number index calculated from a person's height and weight that is used to indicate health status and disease risk; compared to other methods, such as insurance tables of desirable (or ideal) weight, it is a better predictor of disease risk.
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