Milton wrote a great poem but it's also a byproduct of its day - 1667 - and he views events and characters very much through the male gaze; as do all organized religions and which the poem references. Thus, the apple on the tree of knowledge was (imo) something a religious-minded white Portuguese male would regard as sinful. As it stands, the sin no longer applies. It is 2005, eating the apple amounts to doing just that; eating an apple. Unless you have the apple representing something else, i.e., update the sin attached to it.
If you're into stuff like this, you can read the full review.