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New research indicates that roughly 5 percent of adults over 50 experience major depression. The study also links casual cannabis use to higher odds of depression, highlighting a growing need for proactive mental health screening.

A new theoretical framework proposes that "survival of the wittiest" drove early human evolution. By developing clever language, early humans swapped physical violence for verbal competition, changing the trajectory of human cognitive and brain development.

Advanced artificial intelligence programs spontaneously conform to majority opinions, allowing them to coordinate in massive groups. However, this same peer pressure can cause them to adopt incorrect answers and unsafe values.

While declining female sexual desire is frequently treated as a biological or hormonal issue, behavioral researchers point to adolescent development. Unequal early sexual experiences often condition the developing brain to associate intimacy with discomfort rather than pleasure.

While money problems are a known relationship killer, a new study uncovers another threat: unpredictable work schedules. Researchers found that erratic shifts and last-minute changes increase the risk of breakups for hourly service workers.

A recent survey of unmarried adults in their thirties and forties shows wide variation in future relationship goals. While many prefer cohabitation to marriage, others are unsure or have no interest in living with a partner again.

A new study reveals that for Israeli rave-goers using psychedelics, the party is just one phase. Extensive preparations and complex physical, emotional, and social after-effects show the experience extends well beyond the dance floor.

Think feeling excited and enthusiastic is the secret to a great life? A new analysis of nearly 30,000 people suggests a completely different kind of positive emotion actually drives true life satisfaction.

A large study of older adults in China suggests that depression can lead to a decline in memory and thinking skills by causing people to withdraw from their social circles, highlighting a potential pathway to protect aging brains.

Children whose mothers experienced high levels of stress during pregnancy and shortly after birth may face lasting challenges with social communication. A new analysis tracks how early adversity shapes distinct social skills from childhood through late adolescence.

The way a person jokes may offer a glimpse into their psychological makeup. A recent study suggests that people who favor darker humor, such as sarcasm and cynicism, tend to show higher levels of maladaptive personality traits.

A comprehensive analysis of nearly 1.6 million patients suggests that popular diabetes and obesity medications may increase the risk of a rare condition that causes sudden vision loss, though the absolute risk remains very low.

New research suggests adolescents who feel emotionally unnoticed are more likely to engage in addictive behaviors. A newly developed psychological scale reveals how this “sense of absence” acts as a bridge connecting family struggles to teen addiction.

ADHD diagnoses and medication prescriptions are surging globally, particularly among adults and women. This trend reflects improved clinical recognition of historically overlooked demographics, fundamentally shifting the understanding of the neurodevelopmental condition across the human lifespan.

A new study reveals a troubling pattern in young relationships: women are more likely to face intimate partner violence during the exact weeks their partners are cheating on them, often leading to a breakup.