Nintendo of America president Reggie Fils-Aime has said that the 3DS has "no health issues" - except maybe for kids under seven.

"We will recommend that very young children not look at 3D images," Fils-Aime said at E3 yesterday.

"That's because, [in] young children, the muscles for the eyes are not fully formed."

"This is the same messaging that the industry is putting out with 3D movies, so it is a standard protocol. We have the same type of messaging for the [1990s Nintendo virtual reality machine] Virtual Boy, as an example."

With much of Nintendo's portfolio being very kid friendly, this could come as a surprise to some.

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