By Roberta Attanasio To label or not to label? The debate is still on — despite the defeat of the ballot initiative in Washington state that would have required special labels for foods containing genetically engineered ingredients. A year ago, a similar measure was defeated in California. Why? One of the reasons is that there is no scientific evidence to support the notion that genetically modified organisms (GMO) are dangerous — to our health. The danger here is that “no need for labeling” could be thought of as “no reason to worry”. Even if we should not worry that much about the health risks of GMOs, there are other worrisome…