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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 »

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Sildenafil, taken for erectile dysfunction, seems to have helped reduce Alzheimer’s disease risk in men. Would the drug have the same impact on women, and what might the side effects look like? Lolita Nidadavolu, a geriatrics expert at Johns Hopkins …

Would sildenafil work to reduce Alzheimer’s disease risk in women? Elizabeth Tracey reports Read more »