As demand for weight-loss injections sold under brand names such as Ozempic and Wegovy continues to soar, a study has uncovered neurological and behavioral health benefits amid risks for pancreatitis and kidney disease.

The findings, based on an analysis of records from 2.5 million VA patients, support much of what scientists already suspected but contain surprises, too.

T he newest weight-loss drugs, Wegovy and Zepbound, are incredibly popular. But doctors are still learning about all of the ways they affect the body—both helpful and harmful—beyond reducing weight. In report published in Nature Medicine,