Board Thread:Naruto Discussions/@comment-1512913-20180923130046/@comment-3279282-20180923134238

As I said in the talk page discussion, the very fact that it's possible that some medical ninjutsu might be Yin Release makes this case different from Rasa's. We can say for certain that Magnet Release is Wind + Earth, because there's no other possibility left. That's not the case for medical ninjutsu, with the Yin Seal existing.

Plus, if we consider the Yin Seal to be Yin Release, it would mean the databook effed up her profile anyway. But that just as a side note.

Edit: And another very good point made on the talk page: The nature of the mythical palm thingy technique might be Yang Release, but who says that it applies to all medical ninjutsu? That's what I meant with the same principle as Magnet Release, by the way. Saying medical ninjutsu as a whole are Yang Release isn't the same kind of inference as saying Magnet Release is Wind + Earth.