Adults who use the prescription drug metformin to treat their type 2 diabetes have a lower risk of developing Long Covid or dying after a Covid-19 infection than people with diabetes who take other anti-diabetes medications, according to a large NIH-supported study.

A small NIH-funded feasibility study found that an implanted device regulated by the body’s brain activity could improve treatment for the symptoms of Parkinson’s disease (PD) in certain people with the disorder. This type of treatment, called adaptive deep brain stimulation (aDBS), is an improvement on a technique that has been used for PD and other brain disorders for many years. The study found aDBS was markedly more effective at controlling PD symptoms than conventional DBS treatments.

Two NIH-supported trials of an experimental malaria vaccine in healthy Malian adults found that all three tested regimens were safe.

NIH researchers have discovered the source of dysfunction in the process whereby cells in the eye’s retina remove waste.