'Dirty dozen' produce carries more pesticide residue, group says

If you're eating non-organic celery today, you may be ingesting 67 pesticides with it, according to a new report from the Environmental Working Group.

The group, a nonprofit focused on public health, scoured nearly 100,000 produce pesticide reports from the U.S. Department of Agriculture and the U.S. Food and Drug Administration to determine what fruits and vegetables we eat have the highest, and lowest, amounts of chemical residue.

Most alarming are the fruits and vegetables dubbed the "Dirty Dozen," which contain 47 to 67 pesticides per serving. These foods are believed to be most susceptible because they have soft skin that tends to absorb more pesticides.

"It's critical people know what they are consuming," the Environmental Working Group's Amy Rosenthal said. "The list is based on pesticide tests conducted after the produce was washed with USDA high-power pressure water system. The numbers reflect the closest thing to what consumers are buying at the store."

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The group suggests limiting consumption of pesticides by purchasing organic for the 12 fruits and vegetables.

"You can reduce your exposure to pesticides by up to 80 percent by buying the organic version of the Dirty Dozen," Rosenthal said.

The Dirty Dozen:

Celery, Peaches, Strawberries, Apples, Domestic blueberries, Nectarines, Sweet bell peppers, "Spinach, kale and collard greens", Cherries, Potatoes, Imported grapes & Lettuce

Not all non-organic fruits and vegetables have a high pesticide level. Some produce has a strong outer layer that provides a defense against pesticide contamination. The group found a number of non-organic fruits and vegetables dubbed the "Clean 15" that contained little to no pesticides.

The Clean 15:

Onions, Avocados, Sweet corn, Pineapples, Mango, Sweet peas, Asparagus, Kiwi fruit, Cabbage, Eggplant, Cantaloupe, Watermelon, Grapefruit, Sweet potatoes, Sweet onions

...

Can pesticides be washed away?

Not necessarily. The pesticide tests mentioned above were conducted after the food had been power-washed by the USDA. Also, although some pesticides are found on the surface of foods, other pesticides may be taken up through the roots and into the plant and cannot be removed.

"We've found that washing doesn't do much," Rosenthal said. "Peeling can help, although you have to take into account that the pesticides are in the water, so they can be inside the fruit because of the soil."

All fresh produce, whether it's grown with or without pesticides, should be washed with water to remove dirt and potentially harmful bacteria. And health experts agree that when it comes to the Dirty Dozen list, choose organic if it's available.

"To the extent you can afford to do so, [parents] should simply buy organic, because there have been some very good studies that shows people who eat mostly organic food reduce 95 percent of pesticides [in their body] in two weeks," Landrigan said.

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