The defense secretary said the Pentagon will test the testosterone levels of troops 30 and over. It was unclear if the plan ...

A blood test may predict if apparently healthy older adults are likely to develop Alzheimer’s symptoms in the next five or 10 ...

A blood test that helps diagnose Alzheimer’s might also forecast if healthy older adults will develop symptoms ...

Blood tests for tau, a key biomarker of Alzheimer’s disease, may predict dementia risk, a new study found. The best way to ...

A blood test may predict if apparently healthy older adults are likely to develop Alzheimer's symptoms in the next five or 10 years, researchers say.

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An experimental blood test could identify those at highest risk years before they start experiencing cognitive decline.

In a new study, Mass General Brigham researchers found that a specific biomarker, called p-tau217, shows promise for ...

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A new review article suggests that using a finger-prick test to measure ketosis could provide valuable insights to ...

The U.S. military will begin testing the testosterone levels of some service members and recommending hormone therapy if ...

Defense Secretary Pete Hegseth says he's rolling out a new screening program for “testosterone deficiency” among troops.