by Marion Nestle, PhD, professor of nutrition, food studies, and public health at New York University
A question from a reader:
Q. I was wondering if you could comment on the recent article in the New York Times which questions the link between food deserts and obesity.
A. Sure. Happy to. The article talks about two recent studies finding no relationship between the types of foods children eat, what they weight, and the kinds of foods available within a mile and a half of their homes.
These finding seem counter-intuitive in light of current efforts to improve access to healthier foods in low-income communities.
Obesity is more common among the poor than among those who are better off.  Poor people must be eating more calories than they expend in physical activity.
Eating more calories means eating more of foods high in calories, especially fast food, snacks, and sodas. Kids who are heavier have been found to eat more of those foods than those who are not.
I can think of several reasons why this might be the case:
-Access: healthier foods are less available
-Cost: healthier foods cost more
-Skills: healthier foods require preparation and cooking
-Equipment: cooking healthier foods requires kitchen facilities, pots, and pans
-Transportation: even if stores are available, they might be too far away to walk to
-Quality: even if stores sell fruits and vegetables, they might not be fresh
-Marketing: fast foods, snacks, and sodas are heavily marketed in low-income areas
-Peer pressure: eating high-calorie foods is considered the norm
I can think of ways we might try to improve any of these factors, but I’m guessing that cost is the critical factor for people with limited means. The Department of Commerce reports that the indexed price of fresh fruits and vegetables has increased by 40% since 1980, whereas the indexed price of sodas has declined by about 30%.
Fast food, snacks, and sodas are cheap. Fruits and vegetables are not.
Without access to healthful foods, people cannot eat healthfully. But access alone cannot reverse obesity.
The real issue is poverty. Unless we do something to reduce income inequality, and to make healthier foods more affordable, fixing the access problem is unlikely to produce measurable results on its own.
Posted from the World Public Health Association annual meeting, World Nutrition 2012, in Rio.
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In the long run it is far cheaper to purchase fresh fruit and veggies than pre packaged foods.For only a few dollars I can load my cart full of fresh fruit ,veggies,rice and raw pasta. It is the same attitude which leads to poor grades in school and thus to further lack of advancement in life which leads to poverty induced obesity. In a word LAZINESS. Perhaps it is time to call a spade a spade. Placing a further tax burden on the middle class will have no affect on obesity. Making more government money will not cause these people to cook proper nutritious meals in fact quite likely the exact opposite is true
I totally agree with you. This is a major problem in this country, and it makes me sad that the government and lots of offices that could use their power, and might to change things for the better, but, as I see it, these big corporations that could make a real difference just don’t care, because they are making lots of money off of the malnourished poor. Oh, well, don’t get me started. LOL.
I was a nursing student for quite a while and did not have enough food to eat regularly. I made too much-$10,000 per year, to qualify for food stamps so I shopped an looked hard for handling food costs. My experience was that fresh veggies and fruits are much more money than pasta, noodle mixes and frozen burritos (general staples). Then (8 or 9 years ago) I was trying to live on five dollars a day total budget for food. I found it impossible to do with, or without fruits and vegetables, and I really missed them.