Buy as much food as you can that is organic so that you don’t ingest chemicals that are harmful to your health. Here is a list of the 6 top fruits and 6 top vegetables containing the most pesticides when conventionally grown, according to the Environmental Working Group, a nonprofit research group based in Washington, D.C.

6 Organic Fruits to Buy

Apples
Strawberries
Blueberries
Nectarines
Peaches
Grapes

6 Organic Vegetables to Buy

Celery
Lettuce
Bell Peppers
Kale/Collard Greens
Potatoes
Spinach