Former United States President Joe Biden was not diagnosed with prostate cancer before last week, and received his “last known” blood test for the disease more than a decade ago, his office has said.

The former US president – who at age 82 has been diagnosed with an “aggressive” form of the disease – had not done a PSA test ...

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The test can aid doctors in determining whether a patient's memory problems are due to Alzheimer's or a number of other ...

We're now closer to being able to diagnose the most common form of dementia with a simple test. The Food and Drug Administration on May 16 said it cleared the first blood test for Alzheimer's disease.