We might earn a commission if you make a purchase through one of the links. The McClatchy/Merced Sun-Star Commerce Content team, which is independent from our newsroom, oversees this content. When it ...

In the child welfare system, the threshold at which a drug test is considered positive varies widely from one jurisdiction to ...

The test may make it easier to identify whether people with memory and thinking problems have Alzheimer’s or not. By Pam Belluck A blood test that can help diagnose Alzheimer’s disease has received ...

The US Food and Drug Administration has given marketing clearance to a blood test to help diagnose Alzheimer’s disease, making the test the first to get signoff to aid in the early detection of the ...

The US Food and Drug Administration has given clearance to another blood test to help assess Alzheimer’s disease and other causes of cognitive decline, providing a broader understanding of when the ...

In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, accessible and inexpensive than other existing tests. When you purchase through ...

It can take months or years for doctors to determine whether people with early signs of memory loss have Alzheimer's disease. But experts say a new generation of blood tests may replace the expensive ...