Though she and her younger brother are very different, he's the one, in a way, she knows best. Sibling relationships, in fact, are the longest-lasting family ties we have, transcending time and loss.
A study of siblings finds those who have a stress-related disorder have a 60 percent higher risk of heart attack or other cardiovascular event, compared to their less-stressed brothers and sisters.
Our sibling relationships are the longest-lasting family ties we have, and can help us weather the pains and challenges of adulthood, including illness and the death of parents.
Recent studies show that people who survive a brother or sister's suicide are at great risk of mood disorders and mental health problems, including thoughts of harming themselves.
In a StoryCorps booth in Bloomington, Ind., Maddy, Zoë and Nick Waters, 10, talk about what it means to be a "three-in-one package."
Sibling relationships are usually the longest-lived family ties, and most adults say they're close to their siblings. That closeness can shelter and sustain us through life's perils and joys.
Older siblings can be annoying know-it-alls, but research suggests they may also help younger siblings build up stronger immune systems. And that may help reduce the risk of asthma and allergies.
Our siblings are with us for longer than anyone else through our lives. Strong sibling relationships can cushion the blows of aging, while conflict cuts to the bone.
When children think they're being slighted, it can lead to risky behavior as teenagers, a study finds. Having warm, respectful relationships helps counteract the claim, "You always liked her best!"