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DNA fragments found circulating in an older person’s blood are associated with frailty and Alzheimer’s disease, studies by Peter Abadir, a geriatrics expert at Johns Hopkins, and colleagues have shown. These long term studies of several hundred older adults also …

Higher levels of your own DNA circulating in your blood may be a problem, Elizabeth Tracey reports Read more »

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Cell death in your body happens all the time, every day, and when it does DNA is released into your blood. It may be your genetic DNA or it may be from your mitochondria, and it is giving clues to …

Why does increased cell death in the body increase inflammation? Elizabeth Tracey reports Read more »

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Walking speed is a commonly used measure for health, as it’s easy to do and doesn’t cost much. Now a study by Peter Abadir, a Johns Hopkins geriatrics expert, links walking speed to cell death, as measured by release of …

Is walking speed linked to cell death? Elizabeth Tracey reports Read more »

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Many many people take thyroid hormone, and a large number of them are taking too much, putting them at risk to develop dementia, a Johns Hopkins study shows. Jennifer Mammen, an endocrinologist and one of the study’s authors, says it …

Do you really need to take thyroid hormone at all? Elizabeth Tracey reports Read more »

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People who are taking thyroid hormone don’t get their levels checked very often, and since many of them are taking too much, they’re at risk for dementia, a recent Johns Hopkins study found. Jennifer Mammen, an endocrinologist and one of …

Why don’t people get thyroid hormone checked regularly? Elizabeth Tracey reports Read more »

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If you’re taking thyroid hormone, it’s important to both measure your level yearly and modify the dose as you age. That’s according to Jennifer Mammen, an endocrinologist and one author of a recent Johns Hopkins study showing that many people …

What is the appropriate dose of thyroid hormone as you age? Elizabeth Tracey reports Read more »

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People who are taking thyroid hormone should get their blood tested once a year or so just to make sure they’re not taking too much, since a recent Johns Hopkins study shows that’s associated with an increased risk for dementia. …

Is getting your thyroid hormone measured once a year as you age enough? Elizabeth Tracey reports Read more »