Source: Flickr: Zappa Plays Zappa by Marco, CC by 2.o In situations in which adult siblings are continually at one another's throats, the conflicts have often been significantly influenced, either ...

Human men are typically more aggressive than human women, a finding supported by reams of research. But surveys of 4,136 individuals in 24 countries reveal an exception to the trend: aggression in ...

I recently wrote about a surprising finding among American participants: Contrary to all the data on violent crime, playground aggression, and other measures of aggressive behavior, sisters are every ...

Sibling conflicts over the care of elderly parents are quite common, along with disputes over estates and inheritance. Whether it’s disagreements on how much effort a sibling contributes, financial ...

Becoming estranged from a sibling can be devastating, even when it also brings a sense of relief. Here's why it happens, and ...

Therapists, psychiatrists and therapeutic consultants consider mental illness a “family illness,” not necessarily because of genetics (though there are genetic factors in some disorders), but because ...

When it comes to our closest adult relationships, the ones we have with our siblings often take a back seat. Parent-child relationships, romantic relationships and peer relationships hog our ...

Sibling relationships are complicated, and while some rivalry is normal in childhood, whether or not brothers and sisters stay close as adults often has roots in the way they were raised. Parents may ...