# Social Anxiety Disorder-Associated Gut Microbiota Increases Social Fear - Author: **PNAS** - Document Tags: [[anxiety]] - [URL link](https://www.pnas.org/doi/10.1073/pnas.2308706120)  ## Highlights - Recently, the gut microbiota has emerged as a key regulator of both brain and behaviour, especially those related to social function. ([View Highlight](https://read.readwise.io/read/01hksj6t7jjrvs09n1zbrgwatm)) --- - Although the mice that received the SAD microbiota had normal behaviours across a battery of tests designed to assess depression and general anxiety-like behaviours, they had a specific heightened sensitivity to social fear, a model of SAD ([View Highlight](https://read.readwise.io/read/01hksj7vrxwqf0ayfzhg0fveds)) ---