The decision enraged opponents of abortion, who have been pressuring the administration to restrict access to abortion medication.

The intent is to protect health care providers who send the pills to patients in states with abortion bans, and to reassure patients who fear…

The states consider it a move to force the F.D.A. to review and acknowledge extensive research showing the pill’s safety.

The test may make it easier to identify whether people with memory and thinking problems have Alzheimer’s or not.

A growing body of research suggests that preventing the viral infection can help stave off cognitive decline.

The showdown catapults the interstate abortion wars to a new level.

By 2060, new dementia cases per year could double to one million because of the growing population of older Americans, a study predicts.

But the report, on the experiences of 13 patients, found that the drug had no benefit for some people and that some who benefited said…

The Supreme Court ruled in June that the original plaintiffs, anti-abortion doctors and groups, did not have standing to sue. Now three states are trying…

The condition has put significant strain on patients and society — at a global economic cost of about $1 trillion a year, a new report…