Long after the fever breaks and the illness fades, thousands of COVID survivors have found themselves stranded in a fog they cannot name or escape — losing words, losing focus, losing the thread of their own lives. Researchers have now traced that fog to its source: a measurable depletion of dopamine, the neurotransmitter that powers attention, motivation, and the fluid movement of thought. For the first time, what patients have struggled to describe and doctors have struggled to treat has a concrete neurochemical address. The discovery does not yet offer a cure, but it offers something nearly
Study links Long COVID brain fog to dopamine depletion
Long COVID patients experience persistent cognitive dysfunction affecting their quality of life and ability to work.