Tethered for life: How brothers and sisters really shape you.

How Sibling Rivalry Makes Us Who We Are

By Hara Estroff Marano

Siblings are born to compete for parental attention, and the strategies they use wind up encoded in personality.

Simple Tips for Happier Families

By Amy Rosenberg

You can cheer up the house by breaking bread, finding fun, and following a few proven plotlines.

Can Grown-up Siblings Learn to Get Along?

By Carlin Flora

With effort, brothers and sisters of any age can shed old patterns and forge new bonds.

Apologia to My Second Child

By John Hodgman

What kids stand to gain from sibling rivalry.

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The Dark Side of Siblings

By Susan Newman Ph.D.

That Elusive Birth Order Effect and What it Means for You

By Susan Krauss Whitbourne Ph.D.

Siblings' Psychic Connections

By Laura Deutsch

What Difference Do Siblings Make?

By Susan Newman Ph.D.

Is the Family Dinner a Winner?

By Mark Banschick M.D.

31 Quotes on Siblings

By Stephanie A. Sarkis Ph.D.

Who Keeps Siblings Together When They Become Adults?

By Bella DePaulo Ph.D.

How to Live with a Misophonic

By Wendy Aron

Did You Know?

By PT Staff

Onlies versus Sibs

By Randi Hutter Epstein M.D.