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diet and health

overview
Americans enjoy one of the most bountiful and affordable food supplies in the world. Yet, with this abundance comes overconsumption of total fat, saturated fat, and cholesterol. Solutions begin with understanding consumer behavior and the factors that influence food choices. ERS examines all aspects of American food choices: what we eat, where we eat it, why we eat it, what effect these choices have for America's farmers, and what might be the health consequences of those choices. More overview...

features
National Obesity Prevention Conference sponsored by USDA.National Obesity Prevention Conference—The U.S. Department of Agriculture will host a National Obesity Prevention Conference on October 25-27, 2004 at the Hyatt Regency Hotel in Bethesda, Maryland. The goal of the conference is to identify research and actions needed to help prevent obesity by bringing together experts from government, universities, the food industry, and numerous medical and nutrition research facilities. This will be a science-based, multidisciplinary conference with a practical orientation that acknowledges the social, economic, and behavioral causes of poor dietary choices. The conference is open to the public and early registration is encouraged.

Cover image from FoodReview: Weighing In on Obesity.Weighing In on Obesity—This issue of FoodReview finds ERS researchers "weighing in" on a critical public health issue—the growing epidemic of Americans who are overweight and obese. The lead article takes a look at the American diet—typically too high in added sugars, refined grains, fats, and calories. Other articles examine the relationship between caloric intake and obesity, individuals' misperceptions about their weight status, the link between fruit consumption and body weight, and the cost-effectiveness issues raised by Federal interventions to reduce obesity. Another article looks at the use of emergency food pantries by U.S. households.

Patterns of Caloric Intake and Body Mass Index Among U.S. Adults—Marked differences in caloric intakes exist across income and education subgroups over the whole range of intake levels, from light to moderate to high. When these differences are compared with differences in body fatness (as measured by Body Mass Index) across the same income and education groups, the patterns tends to match for men but not for women. For example, a greater share of low-income men consumes excessive calories and has BMIs in the obese range than high-income men. Among women, however, low incomes tend to be associated with high BMIs but lower caloric intakes. Determining the causes of disagreements between patterns of caloric intake and body fatness across sociodemographic groups may lead to a better understanding of the causes of disparities in overweight and obesity.

Overweight Children: Is Parental Nutrition Knowledge a Factor?—The growing number of overweight children in the United States has sounded a public health alarm. Overweight children are much more likely to end up obese when they are adults and increase their risk of some chronic diseases. Parents with greater knowledge about and interest in nutrition are less likely to have overweight children. Parents' weight status and their own perception of their weight status can also factor into the prevalence of overweight children.

recommended readings
America's Eating Habits: Changes and Consequences—Chapters in this book provide different perspectives on nutrition in the United States.

U.S. Per Capita Food Supply Trends: More Calories, Refined Carbohydrates, and Fats—ERS's loss-adjusted annual per capita food supply series suggests that average daily calorie consumption in the United States in 2000 was 12 percent, or roughly 300 calories, above the 1985 level. Of that increase, grains (mainly refined grains) accounted for 46 percent, added fats 24 percent, added sugars 23 percent, fruits and vegetables 8 percent, and the meat and dairy groups together declined 1 percent. Per capita availability of total dietary fat, after remaining steady from 1985 to 1999, jumped 6 percent in 2000. American diets are also low in whole grains and other nutritious foods.

The Diets of America's Children: Influences of Dining Out, Household Characteristics, and Nutrition Knowledge—Examines the impact of food consumed at home and away from home on the diets of America's children.

Factors Affecting Nutrient Intake of the Elderly—The rapid expansion of the population age 60 and older has a number of economic implications. The people in this group, about 18 percent of the population, account for about 30 percent of all health care expenditures. Providing information on the relationship of socioeconomic and other factors to nutrient intake is basic to improving the health and well-being of the elderly.

A Dietary Assessment of the U.S. Food Supply: Comparing Per Capita Food Consumption with Food Guide Pyramid Serving Recommendations—Estimates Food Guide Pyramid servings for 250 agricultural commodities in the U.S. food supply. Uses new techniques that adjust food supply data for food spoilage and other losses accumulated through the marketing system and the home.

The Economics of Obesity: A Report on the Workshop Held at USDA's Economic Research Service—At a basic level, weight gain and obesity are the result of individual choices. Consequently, economics, as a discipline that studies how individuals use limited resources to attain alternative ends, can provide unique insight into the actions and forces that cause individuals to gain excessive weight. This report presents a summary of the papers and the discussions presented at the workshop.

See all recommended readings…

recommended data products
Data on food consumption and nutrient intake—These tables describe consumption of different food groups and nutrient intakes by age, gender, and eating locale.

Food Consumption (Per Capita) Data System—ERS annually calculates the amount of food available for human consumption in the United States. This series tracks historical national aggregate consumption of several hundred basic commodities. It is the only continuous source of data on food and nutrient availability in the United States and provides data back to 1909 for many commodities. See also the related report, Food Consumption, Prices, and Expenditures, 1970-97.

recent research developments
Is Your Diet Healthful?—According to a recent ERS study, 40 percent of household meal planners/preparers are dietary optimists—that is, they rate their diet quality to be better than it actually is. The study uses USDA's Continuing Survey of Food Intakes by Individuals (CSFII) and the Diet and Health Knowledge Survey (DHKS) to look at Americans' perceptions of their dietary intakes as compared with their actual intakes measured from 24-hour dietary recalls.

related briefing rooms

related links
The USDA Interactive Healthy Eating Index—Determine the overall quality of your diet.

USDA Food Surveys Research Group—Provides tables based on the the Continuing Survey of Food Intakes by Individuals (CSFII) in 1994-96 and 1998 and the Diet and Health Knowledge Survey (DHKS) in 1994-96.

See all related links…

 

for more information, contact: Jay Variyam
web administration: webadmin@ers.usda.gov
page updated: August 23, 2004

 

 Also at ERS...
latest publications
Prototype Notebook: Short Questions on Dietary Intake, Knowledge, Attitudes, and Behaviors

DatelinERS Newsletter, August 2004

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latest data products
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Food Consumption (Per Capita) Data System

Food Security Supplement: Early Childhood Longitudinal Study--Kindergarten Class of 1998-99 Food Security Status File

research emphases
a healthy, well-nourished population

related topics
Diet, Consumption, & Health

Diet, Consumption, & Health>Diet Quality & Nutrition

Diet, Consumption, & Health>Health Outcomes

Diet, Consumption, & Health>Nutrition Information & Education

Diet, Consumption, & Health>Obesity in America

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