Psychiatry

In recent years, a steadily increasing volume of data has demonstrated that peer victimization — the clinical term for bullying — impacts hundreds of millions of children and adolescents, with the effects sometimes lasting years and, possibly, decades. The problem is even recognized as a global health challenge by the World Health Organization and the… Read more

The “fight or flight” response, is commonly believed to be triggered in part by the hormone adrenaline. But a new study[1] from researchers at Columbia University suggests that bony vertebrates are not able to produce this response to danger without the skeleton. The researchers found in mice and humans that almost immediately after the brain… Read more

The longest stringent studies of antidepressants’ safety and efficacy only followed patients for only a couple of years. Yet a greater number of Americans are taking antidepressants like Paxil and Prozac for prolonged periods of time. According to data from the National Center for Health Statistics, a quarter of people on the medications have used… Read more

Serotonin and drugs that target serotonin, such as anti-depressants, can have a major effect on the gut’s microbiota, a new study[1] in mice led by UCLA biologists strongly suggests. An estimated 90 percent of the body’s serotonin is produced in the gut, where it influences gut immunity. The team — led by senior author Elaine… Read more

Alterations in the connectivity of cerebral white matter associated with the diverse nature of apathy in Huntington’s disease have been identified by researchers[1]. The finding suggest a potential use of this syndrome as a biomarker of disease progression, and may lead to personalized treatments for apathy as a multidimensional syndrome in other neurodegenerative disorders. “Our… Read more