Like the article says, the authors didn't claim the differences they found actually have any impact on health. They just claim they measured a difference, and the difference was significant (unlikely to be explained by chance).
That's fine, but this really doesn't inform consumer decision making in a valuable way. Many consumers would hear this and immediately assume that consuming organic food is safer, which isn't well-supported.
Note that low levels of toxic chemicals can often be completely harmless (if you want a better explanation than that, buy http://www.amazon.com/dp/0815340761 and read the section on the Ames test, dose response relationships, and why tests aren't useful predictors of risk at low concentrations.
That's fine, but this really doesn't inform consumer decision making in a valuable way. Many consumers would hear this and immediately assume that consuming organic food is safer, which isn't well-supported.
Note that low levels of toxic chemicals can often be completely harmless (if you want a better explanation than that, buy http://www.amazon.com/dp/0815340761 and read the section on the Ames test, dose response relationships, and why tests aren't useful predictors of risk at low concentrations.