The "brain fog" of long COVID might be due to impaired lung function following a person's infection, a new study says.

A new study suggests that difficulty concentrating, often called “brain fog,” in people with long COVID may be connected to how well their lungs exchange oxygen and carbon dioxide. The findings, presented at the Radiological Society of North America’s annual meeting,

Covid condition, referred to as long Covid. People with long Covid experience a range of symptoms, including problems concentrating sometimes referred to as “brain fog,” change in sense of smell or taste,

The brain "fog" often reported by people with long Covid may be linked to lung function, according to a recent study. Scientists have discovered a potential connection between diminished pulmonary gas exchange and the concentration difficulties experienced by individuals dealing with long-term coronavirus effects.