Psychology
Microbiome-Gut-Brain Axis in Neuropsychiatric Disorders
Quick fact
The gut contains over 100 trillion bacteria, and their combined genetic material (the microbiome) can influence brain chemistry. Studies show that probiotic supplementation ('psychobiotics') can reduce symptoms of depression and anxiety in some patients, hinting at a new way to treat mental health.
Why this is interesting
You've probably felt 'butterflies' in your stomach when nervous. But what if the bacteria in your gut are not just responding to your emotions—but actually causing them?