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Psychiatry news

Nearly 49,000 brain scans reveal aging signatures linked to dementia, addiction and mental illness

People with dementia, mild cognitive impairment, alcohol addiction or psychiatric disorders such as schizophrenia show increased brain aging, each in specific patterns within the brain, according to a study published in PLOS ...

One of the oldest psychedelics meets modern brain imaging

For millennia, people have used the psychedelic mescaline as a spiritual and religious tool. Mescaline is a naturally occurring chemical found in cacti, mainly peyote cacti, that are located in the Southwest United States ...

Why brains lose their flexibility in psychiatric conditions

Individuals with psychiatric conditions show reduced flexibility in their brain network dynamics, according to a new Rutgers study. The human brain is organized into networks that can adaptively shift and reorganize to meet ...

Sense of smell linked to mental health

Subjective olfactory impairment (SOI) is consistently associated with depression, according to a study published in JAMA Otolaryngology-Head & Neck Surgery.

How autistic brains process faces differently

Researchers have conducted one of the most comprehensive studies on how the autistic brain processes faces. Some hallmark characteristics of autism include tendencies to avoid looking at others' faces and to make less eye ...

Q&A: Psychedelics, cannabis, GLP-1s and drug policy changes

From headlines and social media, psychedelic therapies, cannabis use and GLP-1 medications have seemingly become commonplace overnight, but the science underlying these treatments and the pathway to drug approval are often ...

How mental health, environment shape pregnancy sleep

Nearly half of pregnant women in the United States report poor sleep quality, which has been associated with gestational diabetes and high blood pressure during pregnancy. A new study led by researchers at Washington University ...

Is using screens to calm a child bad? It depends.

In "Llama Llama Mad at Mama," a popular children's book from 2007, a little Llama Llama goes to the grocery store with his mama and becomes overwhelmed by all the sounds, sights, smells and shopping decisions happening around ...