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Mental disorders don't predict future violence

A new Northwestern University study of delinquent youth reveals that mental disorders do not predict future violent behavior, except for substance use disorders. Providing comprehensive treatment to individuals with psychiatric illness may reduce violence, according to the research.

SourceNorthwestern University·JournalJournal of the American Academy of Child & Adolescent Psychiatry·DateApr 24, 2015

Brain scans reveal how people 'justify' killing

A new study led by Monash researcher Dr Pascal Molenberghs found that brain activity in the lateral orbitofrontal cortex increases with guilt when participants imagine unjustified violence, but not when imagining justified violence. The research provides insights into how people justify extreme violence in certain situations, such as war.

SourceMonash University·JournalSocial Cognitive and Affective Neuroscience·DateApr 8, 2015

Strong connection between violence and mental illness during Guatemala Civil War

Research suggests that those who experienced violence during the Guatemala Civil War are four times more likely to suffer from PTSD and alcohol-related disorders. The study, led by Victor D. Puac-Polanco and Charles C. Branas, found significant mental health problems among Guatemalans who witnessed or experienced violent events.

SourceUniversity of Pennsylvania School of Medicine·JournalAmerican Journal of Public Health·DateFeb 26, 2015

When aid brings conflict, not relief

Research by University of Illinois economist Ben Crost found that aid to villages in the Philippines increased violence. The villages that qualified for aid saw a significant increase in violence, while those that didn't participate experienced less violence. This suggests that aid can inadvertently make communities vulnerable to attacks.

Hospitals helping violence victims could save millions

Researchers at Drexel University found that hospital-based violence intervention programs can prevent violent reinjury and perpetration, reduce aggressive behaviors, and improve employment and education outcomes. These programs are estimated to save tens of thousands to $4 million in costs over five years.

SourceDrexel University·JournalAmerican Journal of Preventive Medicine·DateJan 26, 2015

Interrupting cycle of violence before young perpetrators and their victims reach adulthood

Researchers identified four promising approaches to prevent intimate partner violence and sexual violence among adolescents, including school-based interventions, psychological support interventions, community-based interventions, and parenting interventions. These strategies show promise in preventing violence in high-income countries...

SourceGeorgetown University Medical Center·JournalJournal of Adolescent Health·DateJan 12, 2015

The biological spoils of war

A Harvard study found that members of an East African herding tribe who engaged in violent raids had more wives and thus more opportunities to increase their reproductive success. The study, which analyzed the data of 120 men, found a clear correlation between raid participation and higher reproductive capacity.

SourceHarvard University·JournalProceedings of the National Academy of Sciences·DateDec 29, 2014

For female chimpanzees, no consent agreement

A new study published in Current Biology by Feldblum et al. has found that male chimpanzee aggression towards females is an adaptive strategy, increasing mating frequency and paternal likelihood for high-ranking males. Genetic analysis of fecal material reveals long-term sexual coercion as a key factor in paternity.

SourceArizona State University·JournalCurrent Biology·DateNov 13, 2014

In Amazon wars, bands of brothers-in-law

A new study by University of Utah anthropologist Shane Macfarlan challenges the idea that humans naturally fight like chimpanzees. Instead, Yanomamö men form long-term alliances with other villages through marriage and cooperation, which leads to increased social status and benefits.

SourceUniversity of Utah·JournalProceedings of the National Academy of Sciences·DateOct 27, 2014

Treatment of substance abuse can lessen risk of future violence in mentally ill

A new study from the University at Buffalo Research Institute on Addictions suggests that reducing substance abuse has a greater influence on reducing violent acts by patients with severe mental illness. The study found that treating substance abuse was more effective in decreasing aggression than improving psychiatric symptoms.

SourceUniversity at Buffalo·JournalJournal of Substance Abuse Treatment·DateOct 1, 2014

Study: Web-based training can reduce campus rape

A web-based training program, RealConsent, was found to reduce sexually violent behavior and increase the likelihood of male students intervening to prevent sexual assault. The study involved over 700 male undergraduate students, who showed improved behavior after completing the training.

SourceGeorgia State University·JournalJournal of Medical Internet Research·DateSep 15, 2014

Neglected boys may turn into violent adolescents

Physical neglect during childhood is a stronger predictor of male adolescent violence than physical abuse, according to Penn State researchers. The study suggests that understanding neglect's role in influencing violent behavior can lead to better education and care for at-risk youths.