How Your Siblings Make You Healthier and Happier

Sibling relationships influence everything from childhood obesity and diet to marriage success and mental health later in life.

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For Sarah Van Horn, a Minnesota-based surgical nurse, growing up as a twin and as one of six siblings came with its share of rivalries as well as memory-making good times.

“We got along on some days and other days bickered,” Van Horn said. “My middle brother and I fought a lot over the dumbest things such as looking at each other or making a noise that annoyed each other. For my twin brother and I, we were best friends growing up.”