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.

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

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,