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Glucocorticoids, a group of hormones that includes cortisol, are considered stress hormones because their levels increase following stress. When their relationship to stress was first identified, it was shown that the release of cortisol prepared the body to cope with...

New research suggests that violent video games may not make players more aggressive – if they play cooperatively with other people.

Hispanic children often have undiagnosed developmental delays and large numbers of both Hispanic and non-Hispanic children who first were thought to have developmental delay actually had autism, researchers affiliated with the UC Davis MIND Institute have found.

As president of the International Society for Research on Aggression (IRSA) and with consent of the organization's elected council, Craig Anderson appointed an international Media Violence Commission last December to prepare a public statement on the known effects of media...

Among couples in which one partner was diagnosed as having posttraumatic stress disorder (PTSD), participation in disorder-specific couple therapy resulted in decreased PTSD symptom severity and increased patient relationship satisfaction, compared with couples who were placed on a wait list...

Increased stress in men is associated with a preference for heavier women, according to research published Aug. 8 in the open access journal PLOS ONE.

While it is commonly believed that men who pay for sex are attempting to avoid emotional commitment, a new study finds that men who become regular clients of sex workers often develop feelings of romance and love.

It is not always best to forgive and forget in marriage, according to new research that looks at the costs of forgiveness.

A new study from the University at Buffalo's Research Institute on Addictions (RIA) has found a link between the consumption of caffeinated energy drinks mixed with alcohol and casual -- often risky -- sex among college-age adults.

Poor mothers are more likely to be classified as having the mental illness known as generalized anxiety disorder (GAD) because they live in poverty – not because they are suffering from a psychiatric disorder, according to Rutgers researchers.

Intuitively it simply makes sense: exposure to sexual content in movies at an early age probably influences adolescents' sexual behavior.

Poor people hold more traditional values toward marriage and divorce than people with moderate and higher incomes, UCLA psychologists report in the current issue of the Journal of Marriage and Family.

The daily psychological stresses that police officers experience in their work put them at significantly higher risk than the general population for a host of long-term physical and mental health effects. That's the overall finding of a major scientific study...

Is it possible to determine a person’s psychopathic tendencies just from the way they Tweet? That’s what a novel social experiment being carried out by the Online Privacy Foundation and Kaggle aims to find out.

An experiment that Sigmund Freud could never have imagined 100 years ago may help lend scientific support for one of his key theories, and help connect it with current neuroscience.