Board Thread:Naruto Discussions/@comment-3568954-20140803003603/@comment-3568954-20140803060327

AsianReaper wrote: Only Hashirama and Naruto had the "body" of Asura. The Senju could probably use the Mangekyou well. Better than a low chakra guy like Kakashi. But the eye itself degrades, I think. I think it'd still go blind.

according to everyone important in the manga all senju have the body of the sage and that is why madara chose nagato to have his Rinnegan(because he is uzumaki ie senju)