A research group has revealed through studies in humans and mice that a subset of clear cell ovarian cancers, which have been considered difficult to treat with anticancer drugs and immunotherapy, responds to immunotherapy.

An executive order remaking the federal vaccine agenda, Epic's antitrust lawsuits, and more health news from Morning Rounds

The Trump administration is working to implement the president’s new order on childhood vaccines, which he publicly faulted for a rise in autism — even as health secretary Robert F. Kennedy Jr.’s closed-door research has yet to produce evidence linking them.

In some wellness circles, tadalafil is promoted as a longevity drug. There is evidence showing a link between it and a lower risk of death in men, but there are no well-controlled trials in humans.

This report describes a possible HIV exposure from donated breast milk received through social media.