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...

It was much more accurate than primary care doctors using cognitive tests and CT scans. The findings could speed the quest for an affordable and...

The drug, Kisunla, made by Eli Lilly, is the latest in a new class of treatments that could modestly slow cognitive decline in initial stages...

People with two copies of the gene variant APOE4 are almost certain to get Alzheimer’s, say researchers, who proposed a framework under which such patients...

The state’s Supreme Court ruled that the 1864 law is enforceable today. Here is what led to its enactment.

Results of a large clinical trial found the treatment did not work any better than a placebo.

Two new studies show fast-growing use of the pills on the eve of the Supreme Court’s consideration of a case seeking to ban or restrict...