Cannabis compound CBD stops coronavirus in test tube, but can it treat COVID?

Jan 25 (Reuters) - Early research suggesting that a popular non-psychoactive compound derived from marijuana might help prevent or treat COVID-19 warrants further investigation in rigorous clinical trials, researchers say. Several recent laboratory studies of cannabidiol, or CBD, have shown promising results, attracting media attention. However, many other potential COVID treatments that showed promise in test tubes, from hydroxychloroquine to various drugs used to treat cancer and other diseases, ultimately failed to show benefit for COVID-19 patients once studied in clinical trials.