Psychiatry

New research suggests that married people are less likely to experience dementia as they age. On the other hand, divorcees are about twice as likely as married people to develop dementia, the study[1] indicates, with divorced men showing a greater disadvantage than divorced women. “This research is important because the number of unmarried older adults… Read more

The neurobiological pathophysiology of schizophrenia differs significantly between males and females, a new study indicates. The findings suggest a possible need for more sex-specific treatments for schizophrenia. The study was the first to identify a number of sex-specific genes related to schizophrenia using neurons derived from induced pluripotent stem cells. Co-ordinated by the University of… Read more

Increasing levels of the molecule neurotrophin-3 in the brain can alter dispositional anxiety, the tendency to perceive many situations as threatening, in nonhuman primates, researchers from the University of California, Davis, and the University of Wisconsin-Madison have found[1]. The molecule, neurotrophin-3, stimulates neurons to grow and make new connections. Hang on a minute though. Before… Read more

Rhythms in gene expression in the brain are highly disrupted in people with schizophrenia, according to a new University of Pittsburgh-led study. The findings also suggest that researchers studying schizophrenia-linked genes in the brain could have missed important clues that would help understand the disease. “Our study shows for the first time that there are… Read more

Taking nonprescribed psychostimulants may slightly improve a person’s short-term focus but impede sleep and mental functions that rely on it — such as working memory. The use of prescription stimulants by those without medically diagnosed conditions marks a growing trend among young adults — particularly college students seeking a brain boost. “Healthy individuals who use… Read more