Well, if a population of several thousand humans had been eating it for 50 years without evident ill effect, I suppose that would be more or less good enough.

Well, if a population of several thousand humans had been eating it for 50 years without evident ill effect, I suppose that would be more or less good enough. In any discussion of risk it is important to remember the value to be obtained. I might take a drug with known dangerous side effects on the chance it would cure a disease from which I suffered. But to me, the only possible benefit of eating a GMO food is that it would be somewhat cheaper than something else I could eat. For some people, that might be a good enough reason. For me, it's not.