Not only are we dealing with an `n` of 1 but also it is noted in the article that one of the people had suffered three concussions which might skew the results.

Not only are we dealing with an `n` of 1 but also it is noted in the article that one of the people had suffered three concussions which might skew the results. This is a difficult topic to research because twins are rare and twins separated at birth even more so. So yeah, mostly clickbait.