Scientists find hidden brain nutrient deficit that may fuel anxiety
Scientists at UC Davis Health have identified lower levels of choline in the brains of people with anxiety disorders, particularly in the prefrontal cortex, which governs emotional regulation. This finding marks the first consistent chemical brain pattern linked to anxiety across multiple studies. The research suggests that nutritional interventions, such as choline supplementation, could potentially help manage anxiety symptoms.
- ▪People with anxiety disorders had approximately 8% lower brain choline levels compared to those without anxiety.
- ▪The choline deficit was most pronounced in the prefrontal cortex, a region critical for emotional control and decision-making.
- ▪The analysis included data from 25 studies, totaling 370 individuals with anxiety disorders and 342 without.
- ▪Choline is an essential nutrient involved in cell membrane integrity, nerve signaling, and brain functions related to mood and memory.
- ▪Anxiety disorders affect about 30% of adults in the United States and are often inadequately treated.
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Science News from research organizations Scientists find hidden brain nutrient deficit that may fuel anxiety Scientists discovered a striking brain chemistry difference in people with anxiety — and it may be linked to a nutrient most Americans don’t get enough of. Date: May 16, 2026 Source: University of California - Davis Health Summary: A major analysis of brain scans found that people with anxiety disorders have noticeably lower levels of choline, a nutrient crucial for healthy brain function. The strongest evidence appeared in the prefrontal cortex, the region tied to emotional control and decision-making. Researchers say the discovery is the first clear chemical brain pattern linked to anxiety and could eventually lead to new nutrition-based treatments.
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