Psypost

A popular workout supplement might protect the brain from gut inflammation - PsyPost

Creatine is best known for building muscle, but a new rat study suggests it may also protect the brain. Supplemented rats with chronic colitis largely avoided the hippocampal inflammation, neuron loss, and electrical changes seen in unsupplemented animals.

When women share a husband, physical fights between co-wives are common across cultures - PsyPost

Women are often thought to compete through gossip and exclusion rather than fists. But an analysis of ethnographic records from 19 cultures found physical fights between co-wives documented in 12 of them, suggesting high stakes can change the rules.

Medication helps adults with ADHD weigh the negative consequences of their decisions - PsyPost

Adults with ADHD often struggle with choices that carry negative consequences. A new experiment reveals that stimulant medication improves decision-making by helping the brain process the potential costs of an action more efficiently.

Study of 2.5 million children finds no link between MMR vaccine and autism - PsyPost

Evaluating the health records of over 2.5 million children, researchers found no evidence that receiving the measles, mumps, and rubella vaccine before age two increases the risk of a childhood autism diagnosis.

What neuroscientists thought was a biological signature for IQ might actually be socioeconomic privilege - PsyPost

A large analysis of children's brain scans reveals that socioeconomic status is the primary factor shaping brain organization. The findings suggest that brain patterns previously linked to intelligence actually reflect environmental factors like stress and sl…

A child’s genetic profile for ADHD can predict their parents’ risk of separation - PsyPost

A child's genetic likelihood for attention-deficit hyperactivity disorder is associated with a higher chance of their parents divorcing. The new findings highlight how children might actively shape the life trajectories of their families.

A specific thinking style explains why dark personality traits are linked to creativity - PsyPost

Why are traits like narcissism and psychopathy linked to creative success? New research indicates the answer lies in a specific thinking style—one that helps individuals filter out social constraints to focus on novel solutions.

Massive study reveals a "physical activity paradox" in dementia risk - PsyPost

Public health guidelines usually tell us to "move more," but new research shows context matters. A sweeping study finds recreational exercise protects against dementia, but physical labor at work could actually increase your risk of cognitive decline.

Harsh parenting predicts teenage depression and aggression through different types of repetitive thinking - PsyPost

A three-year study of Chinese adolescents reveals how harsh discipline shapes mental health. Researchers found that repetitive thoughts about sadness and anger act as pathways linking strict parenting to later depression and aggressive behavior.

The surprising reason our memories become blurred as we age, according to new neuroscience research - PsyPost

Scientists have uncovered a surprising twist in how our minds age. A new brain scanning study shows that a mechanism designed to protect our memories eventually begins to blend them together, leading to everyday confusion.

How the stories we tell about ourselves reveal hidden personality disorders - PsyPost

How people construct the stories of their lives offers insight into the severity of their personality disorders. Researchers found that narrating life events with a focus on negative self-change strongly predicted everyday functional impairment.