In his book, "The Sibling Effect," science writer Jeffrey Kluger discusses why sibling relationships are the most important ones in our lives.

Advertisement

Salon.com recently published an interview with Kluger where he explains his findings and what they mean for you, your idiot brother, and/or your too-perfect sister.

We took the best facts from the interview and put them together here for you in this handy slideshow. Some of them will surprise you, and some of them definitely won't.

ncG1vNJzZmivp6x7o8HSoqWeq6Oeu7S1w56pZ5ufony0tcGloKefXZqzp7HCrWSjnZabv6bFjKSjrp%2BVp3pzfJBqZHI%3D