When my son was a baby, organic was a synonym for edible. If the apples I found at the grocery store weren’t certified, I wasn’t buying them. I knew that conventional produce could harbor traces of pesticides, and I’d read that pesticides could affect brain development. Sure, the details of this association were hazy—I didn’t know how many pesticides my son might ingest from Shoprite strawberries, nor did I know whether that amount would do him any harm. But in a way, it didn’t matter: Shelling out a bit more cash to minimize the risks, whatever they were, seemed worth it to me. Read more.