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Eating habits improve a bit

But rich-poor diet gap worsens

– Americans’ eating habits have improved – except among the poor, evidence of a widening wealth gap when it comes to diet. Yet even among wealthier adults, food choices remain far from ideal, a 12-year study found.

On an index of healthy eating where a perfect score is 110, U.S. adults averaged just 40 points in 1999-2000, climbing steadily to 47 points in 2009-10, the study found.

Scores for low-income adults were lower than the average and barely budged during the years studied. They averaged almost four points lower than those for high-income adults at the beginning; the difference increased to more than six points in 2009-10.

Higher scores mean greater intake of heart-healthy foods including vegetables, fruits, whole grains and healthy fats, and a high score means a low risk of obesity and chronic illnesses including heart disease, strokes and diabetes. Low scores mean people face greater chances for developing those ailments.

The widening rich-poor diet gap is disconcerting and “will have important public health implications,” said study co-author Dr. Frank Hu of the Harvard School of Public Health. Diet-linked chronic diseases such as diabetes have become more common in Americans in general, and especially in the poor, he noted.

“Declining diet quality over time may actually widen the gap between the poor and the rich,” Hu said.

Hu said the widening diet gap reflects an income gap that deepened during the recent financial crisis, which likely made healthy food less affordable for many people. Hu also noted that inexpensive highly processed foods are often widely available in low-income neighborhoods.

The overall diet improvement was largely because of decreased intake of foods containing trans fats, but the disappointing results point to a need for policy changes including better nutrition education, Hu said.

In recent years, the government and manufacturers have moved to phase out use of artificial trans fats in foods including processed cookies, cakes, frozen pizza and margarines. Trans fats contribute to unhealthy cholesterol levels and can increase heart disease risks. These fats are made by adding hydrogen to vegetable oil to improve texture and shelf life.

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