In the search for treatments to help people with severe COVID-19, researchers across the globe are trying to find new uses for existing medicines to prevent more coronavirus-related deaths.
The reservoir of options includes melatonin — a hormone naturally found in the body that regulates sleep cycles.
Studies have shown the hormone can help lower high blood pressure, reduce anxiety and generally improve quality of sleep, but a paper published in November suggests melatonin can reduce the likelihood of testing positive for SARS-CoV-2, the virus that causes COVID-19.
