A new study shows some COVID-19 patients end up with damage to their brains, shedding new light on how the virus impacts the human body. "I think it is critically important that we study this population properly," said Dr. Avi Nath, the lead researcher on this study and clinical director of the National Institutes of Neurological Disorders and Stroke. "We hope these results will help doctors understand the full spectrum of problems patients may suffer so that we can come up with better treatments." Some COVID-19 patients report non-respiratory symptoms after contracting the virus, including headaches, delirium and mental fog....