Obesity in America has reached epidemic proportions. The forces driving this trend include marketing practices at grocery stores, friends' junk-food preferences, and nutritional messages that parents send their kids.
In an era of budget constraints, policymakers confronting the U.S. obesity crisis need strong evidence from projects like PHRESH to inform decisions about where and how to invest, writes Tamara Dubowitz.
Is eating more fruits and vegetables the key to reducing obesity? Evidence suggests this may not be the most effective strategy. A recent RAND study of more than 2,700 adults found that calorie intake from cookies, candy, salty snacks, and soda was about twice as high as the recommended daily amount.
Summarizes key RAND studies on the causes of obesity, its economic and health consequences, and potential strategies for prevention, including work on health care costs, junk food, food deserts, school meals, and proximity of parks.
Obesity could have serious consequences for older cohorts. The authors used a microsimulation to estimate lifetime costs, life expectancy, disease, and disability for seventy-year-olds based on body mass.
Weight loss surgery helps severely obese people lose more weight than dieting and exercise alone. People who undergo such surgery typically lose about 45 to 65 pounds and maintain their lower weight for 10 years or longer.