Also, a lot of people tell me they're on a very limited budget, and can't afford to spend more for organic produce.

"Our stores that carry organic produce are few and far between."

Four of the five studies found higher risk for contamination among organic produce.

Crucially, they did not know the test was about organic produce.

Her stated policy is to use local organic produce whenever possible.

I would really have to be committed to being in proximity to a lot of organic produce.

"The bigger you get, the more difficult it is to do organic produce," he said.

But most of all, whenever possible, there is organic produce from local farms.

"You have to get special organic produce and then prepare each meal."

If you can only afford to buy a certain amount of organic produce, potatoes would be a good choice.