A binational analysis was published this month by the Journal of Family Issues, suggesting that teens with more siblings may have poorer mental health — depending on numerous factors. The study, ...

Siblings are the best example of ‘frenemies.' In one moment, they are squabbling over the TV remote, and in the next, they're taking the fall for each other in front of their parents. Now, a study ...

A research study on siblings and alcoholic use disorder, The Development Unfolding of Sibling Influences on Alcohol Use Over Time, is worth noting. The researchers, who included professors and a ...

Holding back struggling readers in elementary school can yield benefits that extend in surprising directions, a recently released study suggests. In addition to improving academic performance for ...

Some of our longest-lived relationships are with our siblings. And research shows our ties with sisters and brothers can be much more impactful than we realize, especially as we age. As part of our ...

People who lose a sibling during childhood or early adulthood could be at a higher risk of developing heart disease at an early age, a new study found. Researchers from Fudan University in Shanghai, ...

WASHINGTON — People who grow up with lots of siblings are more likely to marry — and to stay married — than are only children or those who grew up with one or two siblings, a new study has found.

Feel like your parents always favored your older sibling? They might have benefited from that more than you realize. A new study suggests all that extra attention makes first-born children smarter ...

NEW YORK (Reuters Health) - A new study suggests that kids who are born only a year or two after an older sibling might be more likely to be diagnosed with autism than those with a bigger age gap. Of ...

How does a sibling rivalry escalate when power enters the family? Sibling rivalry is not a childhood problem. It is a governance failure—one that simply waits for power, position or legacy to expose ...

Feel like your parents always favored your older sibling? They might have benefited from that more than you realize. A new study suggest all that extra attention makes first-born children smarter than ...