There aren’t enough vegetables in America for everyone

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New data points to a lack of nutritional diversity in the U.S., as well as a veggie shortage.

The U.S. Dietary guidelines recommend that most adults eat two and half cups of vegetables per day. Ideally, those veggies would change daily, rotating through a colorful cast of different flavors and nutritional benefits.

But new data from the U.S. Department of Agriculture suggests that the reality of meals in America is pretty far from this ideal. In fact, there's only about 1.7 cups of vegetables available per person in the U.S. based on data from 2013. Not only are Americans not getting enough vegetables, they’re also only mostly eating potatoes, tomatoes and lettuces. That means they're potentially missing out on the important nutrients found in things like peppers, beans, squash and dark leafy greens.

"The dietary guidelines promote variety," Jeanine Bentley, a social science analyst at the USDA's Economic Research Service, told NPR. "But when you look at it, there isn't much variety.”

The data set doesn’t look directly at dinner plates, but rather uses domestic production and imports as a proxy, after subtracting out exports.

Potatoes and tomatoes, two foods often associated with heavily processed foods, make up about half of the vegetables available in the U.S. According to the USDA, about two-thirds of available potatoes are made into chips, fries or frozen foods. Similarly, about three quarters of available tomatoes are processed into things like ketchup, pasta sauce and soup.

Percentage of Vegetable availability 2013USDA/via

These top two are followed by fresh lettuce, which includes heads of lettuce and leaf lettuce.

So, how did we end up with potato and tomato domination? The issue can partly be attributed to buyer demand, but crop subsidies likely play a big role as well. New York University researcher and food policy expert Marion Nestle points out that there’s a disconnect between which crops heath policy promotes (vegetables) and which crops get finical support from the government (corn and soy).

There is one encouraging trend in the USDA report: vegetable consumption is more diverse than it was 40 years ago. Hopefully, a greater awareness about the benefits of crop diversity for both our bodies and food security will continue to grow.

There aren’t enough vegetables in America for everyone
New data points to a lack of nutritional diversity in the U.S., as well as a veggie shortage.

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