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Monday, June 06, 2011

In Texas schools, a picture's worth 1,000 calories

It's Calories, not calories.
Health officials trying to reduce obesity and improve eating habits at five San Antonio elementary schools unveiled a $2 million research project Wednesday that will photograph students' lunch trays before they sit down to eat and later take a snapshot of the leftovers.

A computer program then analyzes the photos to identify every piece of food on the plate — right down to how many ounces are left in that lump of mashed potatoes — and calculates the number of calories each student scarfed down.

The project, funded by a U.S. Department of Agriculture grant, is the first of its kind in the nation. The cameras, about the size of pocket flashlights, point only toward the trays and don't photograph the students. Researchers say about 90 percent of parents gave permission to record every morsel of food their child eats.

"We're trying to be as passive as possible. The kids know they're being monitored," said Dr. Roger Echon, who works for the San Antonio-based Social & Health Research Center, and who is building the food-recognition program.

Here's how it works: Each lunch tray gets a bar code sticker to identify a student. After the children load up their plates down the line — cole slaw or green beans? french fries or fruit? — a camera above the cashier takes a picture of each tray.

When lunch is over and the plates are returned to the kitchen, another camera takes a snapshot of what's left. Echon's program then analyzes the before and after photos to calculate calories consumed and the values of 128 other nutrients. It identifies foods by measuring size, shape, color and density.

Parents will receive the data for their children, and researchers hope eating habits at home will change once moms and dads see what their kids are choosing in school. The data also will be used to study what foods children are likely to choose and how much they're eating.
Useless.

The problem is the Calories eaten outside the school.

Another problem is the gross stupidity of researchers:
Researchers warn that obesity is not always the result of children eating too many calories. A previous study by the nonprofit center reported that 44 percent of children studied consumed calories below daily minimum requirements, but nearly one-third were still obese. Seven percent screened positive for type 2 diabetes.
In the absence of too many Calories in, overweight/obesity is impossible.

These folks are just plain idiots.

No hope.

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