A new study published in Nature Microbiology has revealed that SARS-CoV-2, the virus responsible for COVID-19, evolves more rapidly in the brain than in the lungs, possibly explaining some of the neurological symptoms associated with the disease. This finding may provide insight into the mysterious phenomenon of long COVID and might eventually lead to targeted treatments that specifically address the virus in the central nervous system. COVID-19 is primarily known for attacking the respiratory system, but it has also been linked to a wide range of other symptoms, including neurological effects…