The Science of Siblings is a new series exploring the ways our siblings can influence us, from our money and our mental health all the way down to our very molecules. We'll be sharing these stories ...

Siblings who fight a lot gain surprising advantages, from thicker skins to sharper negotiating skills. Indeed, conflict is inevitable, but it’s important to note that it doesn’t have to come at the ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. The Science of Siblings is a new ...