We don't want to blow your mind or anything, but according to this video by YouTube user VSauce, every single person on Earth is related.
The video (which is based on some recent research from MIT and other online sources), explains that everyone on the planet is "at the least, 50th cousins with everybody else on Earth". Scientists have determined that in the past, humans (unknowingly) bred with distant family members pretty regularly, meaning that we are all very, very distantly related to one another.
From there, the video gets into some other interesting ways we're connected: every atom in our body is exchanged regularly. And that means, according to VSauce, that we all contain some atoms in our bodies that were once part of other people. Check out the mind-bending vid below:
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