Cutting 1 compound from processed foods could reduce brain fog, anxiety, and chronic pain, scientists say.

Kathleen Holton studies the link between diet and neurological changes, searching for strategies to use food in optimizing brain health. Jeff Watts/Jeff Watts A dietary change may help relieve complex symptoms like brain fog and chronic pain, studies suggest. Glutamate, a compound in processed foods, can overexcite nerve cells, causing damage in sensitive brains.