anxiety research

Long COVID Linked to Lower Brain Oxygen Levels, Cognitive Problems and Psychiatric Symptoms

Long COVID is linked to reduced oxygen uptake in the brain, a new study reports. Researchers say the finding is significant as a lack of sufficient oxygen supply may be one of the mechanisms that cause brain fog, cognitive problems, and an increased risk of depression and anxiety in long COVID patients.

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Managing emotions better could prevent pathological aging

Negative emotions, anxiety and depression are thought to promote the onset of neurodegenerative diseases and dementia. But what is their impact on the brain and can their deleterious effects be limited? Neuroscientists have observed the activation of the brains of young and older adults when confronted with the psychological suffering of others. The neuronal connections of the older adults show significant emotional inertia: negative emotions modify them excessively and over a long period of time, particularly in the posterior cingulate cortex and the amygdala, two brain regions strongly involved in the management of emotions and autobiographical memory. These results indicate that a better management of these emotions — through meditation for example — could help limit neurodegeneration.

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Associations of overall and specific carbohydrate intake with anxiety status evolution in the prospective NutriNet-Santé population-based cohort

This prospective study found significant associations between dietary carbohydrate intake and anxiety status evolution among French adults.

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