Do you know the “Dirty Dozen” from the “Clean 15?”

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No, the “Dirty Dozen” is not the new name for a pack of young Hollywood actors in the latest gun-slinging Clint Eastwood film. If you stay on top of your food facts, you’re probably aware that the Dirty Dozen lists the fruits and vegetables that are highest in pesticides and therefore most important to consider buying organic, according to the Environmental Working Group (EWG). The question is–do you remember them when you go shopping? And, on the flip side, do you know which produce are lowest in pesticides (and therefore deemed safer to buy the conventionally-grown versions.)

According to EWG’s web site (, “Pesticides are detected in 7 of every 10 fruit and vegetable samples tested.” And people who eat five fruits and vegetables a day from the Dirty Dozen list consume an average of 10 pesticides a day. (It’s important to note that washing and peeling doesn’t change the rankings because the EWG tests produce as it is typically eaten, i.e., in its washed or peeled state.) But here’s the good news: You can lower your pesticide consumption by nearly four-fifths by avoiding the 12 most contaminated fruits and vegetables and instead eating the least contaminated produce, according to EWG calculations.

So, without further ado, here is a quick review of the dirty dozen and the clean 15. Print it out and tuck it into your wallet for future shopping trips. And for more information, visit

Dirty Dozen

Buy These Organic

  1. Celery
  2. Peaches
  3. Strawberries
  4. Apples
  5. Blueberries
  6. Nectarines
  7. Bell Peppers
  8. Spinach
  9. Cherries
  10. Kale/Collard Greens
  11. Potatoes
  12. Grapes(Imported)

Clean 15

Lowest in Pesticides

  1. Onion
  2. Avocado
  3. Sweet Corn
  4. Pineapple
  5. Mango
  6. Sweet Peas
  7. Asparagus
  8. Kiwi
  9. Cabbage
  10. Eggplant
  11. Cantaloupe
  12. Watermelon
  13. Grapefruit
  14. Sweet Potato
  15. Honeydew Melon

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The One Medical blog is published by One Medical, an innovative primary care practice with offices in Boston, Chicago, Los Angeles, New York, Phoenix, the San Francisco Bay Area, Seattle, and Washington, DC.