There may be a connection between genes involved in the opioid system and feelings of insecurity in romantic relationships, researchers find.

"Essentially, we found that prospective teachers are more likely to view Black children as being angry, even when they're not." It's racialized anger bias.

Cultural differences may explain why some people resist masks more than others. Here's how smiley North Americans can learn to adapt.

"Contrary to what many would think, characteristics of your neighborhood have little to do with how satisfied you are with it."

"Contrary to what many would think, characteristics of your neighborhood have little to do with how satisfied you are with it."

Just 14% of Americans say they are "very happy" even though 80% say they're feeling OK about their family's finances, a new survey on happiness finds.

Cats and anxiety go well together, according to new research on trust and affection for feline friends.

Isolation and loneliness can have major physical and mental health consequences. New research shows socializing is critical to survival and longevity.

Psilocybin, the hallucinogenic chemical in some mushrooms, may affect a part of the brain that some scientists believe is responsible for the ego.

Playing hard to get may actually work, researchers say. But it can totally backfire if you take it too far, they warn.