User blog comment:LittleFlowerKusa/Clone Aging/@comment-5188108-20120909174017/@comment-3094698-20120909210840

the idea behind the kryptonian dna stopping him from aging is that he is the only one like that, so while the other clones seem to be aging he isnt so its a logical conclusion that the kryptonian dna is screwing with whatever the hell it is that causes people to age