Given the lack of scientific evidence for its harmful effects, opponents point the finger at the arrogance of scientists who think they can tamper with nature's plan.

Many of these opponents acknowledge that there isn't much solid evidence showing genetically modified foods are somehow dangerous or unhealthy. It just doesn't seem right, they say.

This article reviewed the possible harm of CM food to the health of mankind and ecological environment, discussed the arguments on the safety of CM food in the world.