Medical research

Study finds serotonin reduction causes long COVID symptoms

Patients with long COVID—the long-term symptoms like brain fog, fatigue, or memory loss in the months or years following COVID-19—can exhibit a reduction in circulating levels of the neurotransmitter serotonin, according ...

Diseases, Conditions, Syndromes

COVID-19 vaccine may lessen severity and duration of long COVID

Vaccination against SARS-CoV-2, the virus responsible for COVID-19, may lessen the severity and duration of long COVID in those with persistent symptoms after infection, suggests a study that closely imitates a randomized ...

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