The answer to the question of whether aspartame is safe for humans is not fuzzy or ambiguous. We haven't found the truth for certain yet, but it will be very black and white eventually.
It could be safe for some people and not others. It could be safe in combination with some foods and diets but not others. It could be safe according to one scientist's threshold of acceptable risk but not another's. It could be safe in the sense of being less bad than sugar but not in comparison to drinking water. And so on.
