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You may have heard the term ‘liquid biopsy.’ Most often referring to cancer detection, such technology aims to find materials circulating in the blood that give clues to a tumor’s presence. Now such a strategy is being used to look …

Can a blood test for DNA predict Alzheimer’s disease and frailty? Elizabeth Tracey reports Read more »

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Some cancer tests and prenatal assessments already use DNA found circulating in someone’s blood to look for certain cancers or assure the health of a fetus. Now Peter Abadir, a geriatrics expert at Johns Hopkins, and colleagues are using such …

A blood test looking for your DNA is proving increasingly useful, Elizabeth Tracey reports Read more »

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You have quite a lot of the genetic material DNA circulating in your bloodstream. Peter Abadir, a geriatrics expert at Johns Hopkins, is looking at DNA from two different sources to provide information on aging. Abadir: The genomic DNA is …

Your own genetic material from two cellular locations can be found in your blood, Elizabeth Tracey reports Read more »

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Something called the blood brain barrier prevents many things, including most drugs, from entering your brain. Now a new study that disrupts the barrier using ultrasound seems to have shown that antibodies to treat Alzheimer’s disease can gain entry this …

Can a novel way to get antibodies into the brain help Alzheimer’s disease? Elizabeth Tracey reports Read more »

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Monoclonal antibodies for Alzheimer’s disease, like the drug called Aduhelm, attach to aberrant proteins thought to be one cause of the disease, but they only stand to benefit a small number of the people who might be at risk. That’s …

Only a small percentage of people are candidates for monoclonal antibodies to treat Alzheimer’s disease, Elizabeth Tracey reports Read more »

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Aduhelm is a type of drug called a monoclonal antibody, and it’s used to remove some of the aberrant proteins thought to cause Alzheimer’s disease. Lolita Nidadavolu, a geriatrics expert at Johns Hopkins, says there is much to consider when …

Who is a candidate for monoclonal antibodies for Alzheimer’s disease? Elizabeth Tracey reports Read more »

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Men who reported taking sildenafil for erectile dysfunction also had a reduced risk for Alzheimer’s disease, a recent study looking at a large number of medical records found. What about women? Johns Hopkins geriatrics expert Lolita Nidadavolu, who wrote an …

Should women use sildenafil to reduce their risk of Alzheimer’s disease? Elizabeth Tracey reports Read more »