Ancient part of immune system may underpin severe COVID-19

One of the immune system’s oldest branches, called complement, may be influencing the severity of COVID-19 disease, according to a new study from researchers at Columbia University Irving Medical Center. Among other findings linking complement to COVID, the researchers found that people with age-related macular degeneration—a disorder caused by overactive complement—are at greater risk of […]

In early trial, an ancient drug shows promise against severe COVID-19

There’s new evidence that a 2,000-year-old medicine might offer hope against a modern scourge: COVID-19. The medication, called colchicine, is an anti-inflammatory taken as a pill. It’s long been prescribed for gout, a form of arthritis, and its history goes back centuries. The drug was first sourced from the autumn crocus flower. Doctors also sometimes […]