Tag

Aggression

All articles tagged with #aggression

mental-health18 days ago•28 min saved

Routine blasts linked to lasting anger and aggression in veterans

Researchers analyzed 3.64 million clinical notes from 10,000 veterans and found those in high-blast occupations had 17.2% anger/violence notes vs 12.0% in controls, with 22% higher odds even after adjusting for PTSD and other factors, suggesting cumulative routine blast exposure may contribute to long-term anger and aggression; limitations include exposure inferred from job codes and underreporting. The study calls for safer training protocols and better exposure tracking.

via PsyPost|

#aggression #anger #blast-exposure

science1 month ago•15 min saved

Fish-Oil Fatty Acids Linked to Broad Reductions in Aggression, Large Meta-Analysis Shows

A meta-analysis of 29 randomized trials (3,918 participants, 1996–2024) finds omega-3 supplementation modestly reduces aggression—up to 28% in the strongest lab-based estimate—across age groups, sexes, diagnoses, durations, and doses, with both reactive and proactive aggression affected. Proposed mechanisms include anti-inflammatory effects, changes to neuronal membrane composition, and maintained prefrontal cortex function. While not a magic bullet, the intervention is safe and cheap, with potential implications for parenting, correctional facilities, and public health, though adoption may be slowed by cultural biases against nutritional explanations of violence.

via Space Daily|

#aggression #meta-analysis #neuroscience

health1 month ago•5 min saved

Omega-3 Supplements Cut Aggression by Up to 28%, Meta-Analysis Finds

A 2024 meta-analysis of 29 randomized controlled trials (3,918 participants) found that omega-3 supplementation via fish oil can moderately reduce aggression in the short term (up to 28%), across ages and different settings, suggesting omega-3 could be a helpful adjunct to other interventions, though it is not a cure and longer-term research is needed.

via ScienceAlert|

#aggression #fish-oil #health

science5 months ago•3 min saved

Omega-3 Supplements Linked to Lower Aggression in Large Review

A 2024 meta-analysis of 29 randomized controlled trials (3,918 participants) found that omega-3 supplementation (fish oil) can reduce aggression by up to 28% in the short term across diverse ages and settings, with trials averaging 16 weeks and showing reductions in both reactive and proactive aggression; longer-term studies are needed to confirm and extend these findings.

via ScienceAlert|

#aggression #meta-analysis #nutrition

mental-health5 months ago•14 min saved

Teens with Social Anxiety May Act Out, Study Finds

New research shows that social anxiety in some adolescents can manifest as aggression and impulsivity rather than withdrawal. In a study of 298 teens, latent profile analysis revealed three groups: a well-adjusted majority, a prototypical high-anxiety group with vulnerable narcissism, and an atypical aggressive-impulsive group with high vulnerable and grandiose narcissism (more common in boys). The findings emphasize heterogeneity in social anxiety and suggest the need for longitudinal studies and tailored interventions beyond the usual shy-withdrawal model.

via PsyPost|

#adolescents #aggression #impulsivity

health8 months ago•5 min saved

Early Trauma Links to Neural Roots of Aggression and Self-Harm

A study reveals that early-life trauma increases activity in a specific brain pathway involving calcium channels, which predisposes individuals to aggression and self-harm by amplifying pain processing and impulsive behaviors, offering new insights for targeted treatments.

via Neuroscience News|

#aggression #brain #health

science8 months ago•3 min saved

Hunger and Hormones Fuel Aggression in Mice

Researchers have uncovered how hunger and hormonal changes, particularly estrogen and progesterone, influence aggressive behavior in mice by revealing the neural mechanisms involved, which could enhance understanding of how the brain interprets multiple stimuli.

via Nature|

#aggression #hormones #hunger

society10 months ago•2 min saved

Urgent Call for More Research on Violence

The article discusses the need for more research on violent individuals, highlighting cases involving mental health issues, ideological motives, and persistent aggression, emphasizing societal risks and the importance of understanding the roots of violence.

via The Free Press|

#aggression #crime #mental-health

science10 months ago•2 min saved

Witnessing Violence Sparks Brain's Aggressive Response

A study shows that observing violence, especially by familiar peers, increases aggression in male mice through amygdala neurons, which can be manipulated to alter aggressive behavior, highlighting social and neural factors in the spread of violence.

via Neuroscience News|

#aggression #amygdala #familiarity

health11 months ago•3 min saved

Childhood Trauma Linked to Long-Term Aggressive Brain Changes

Research at Virginia Tech explores how childhood trauma rewires brain circuits, particularly the thalamic nucleus reuniens, leading to increased impulsive and pathological aggression later in life. Using advanced techniques like CRISPR and optogenetics, scientists aim to identify neural targets for therapies to mitigate trauma-induced aggression.

via Neuroscience News|

#aggression #brain-circuits #childhood-trauma

health1 year ago•4 min saved

Fish Oil Supplements Reduce Human Aggression

A meta-analysis from the University of Pennsylvania found that daily omega-3 fish oil supplements can reduce aggression by up to 28%, with benefits observed even at low doses, suggesting that increasing omega-3 intake could be a simple, low-risk way to help manage aggressive behavior across different age groups.

via Earth.com|

#aggression #fish-oil #health

health1 year ago•3 min saved

Alcohol's Dual Effect: Boosting Pain Tolerance and Aggression

A study from Ohio State University reveals that alcohol consumption increases pain tolerance and correlates with heightened aggression. Participants who consumed alcohol showed higher pain thresholds and were more willing to administer intense shocks in a competitive task, suggesting reduced empathy and increased aggression. The study highlights the potential for alcohol to escalate minor disputes into aggressive confrontations, emphasizing the need for public awareness and targeted interventions to mitigate alcohol-induced aggression. The research was published in the Journal of Studies on Alcohol and Drugs.

via Earth.com|

#aggression #alcohol #behavior

health1 year ago•5 min saved

The Dual Impact of Alcohol: Boosting Pain Tolerance and Aggression

A study from Ohio State University reveals that alcohol consumption increases pain tolerance and aggression. Participants who drank alcohol had higher pain thresholds and were more likely to inflict pain on others compared to those who consumed placebo drinks. This suggests that alcohol's numbing effect reduces empathy, leading to aggressive behavior. The study highlights the link between alcohol-induced pain tolerance and increased aggression, providing insights into alcohol-related violence.

via Neuroscience News|

#aggression #alcohol #empathy

health1 year ago•4 min saved

CTE Aggression Risk Linked to Family Mental Health History

A study published in Neurology finds that individuals with chronic traumatic encephalopathy (CTE) and a family history of mental illness are at a higher risk of aggressive behavior, particularly between ages 40 and 59. The research, involving 845 men with head injury histories, suggests that genetic predisposition combined with environmental factors increases aggression risk in CTE patients. Identifying those at higher risk could improve intervention strategies. The study highlights the importance of considering both CTE and family mental health history in assessing aggression risk.

via Neuroscience News|

#aggression #cte #genetic-predisposition

neuroscience1 year ago•3 min saved

Heart Rate Variability Unreliable for Predicting Aggression, Study Finds

A study from the University of St. Andrews has debunked the theory that heart rate variability (HRV) is linked to reactive aggression, challenging its use as a biomarker for predicting aggression in wearable devices. The research, led by Annah McCurry, reviewed 705 studies and found no evidence supporting HRV's correlation with aggression, emphasizing the need for continued search for effective biomarkers to understand and prevent aggressive behavior.

via Neuroscience News|

#aggression #biomarkers #heart-rate-variability