If you come from a family where people routinely live well into old age, you will likely have better cognitive function (the ability to clearly think, learn and remember) than peers from families where people die younger. Researchers affiliated with the Long Life Family Study (LLFS) recently broadened that finding in a paper published in Gerontology, suggesting that people who belong to long-lived families also show slower cognitive decline over time.
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IMAGE: Esophageal cancers resurrect bits of ancient retroviruses, called endogenous retroviral elements (ERVs), embedded in our genome. Green dots mark expression of ERVs. Red dots mark a protein called ADAR1 that the cancer uses to degrade the ERVs. Image Credit: Adam Bass.
Scientists have discovered that many esophageal cancers turn on ancient viral DNA that was embedded in our genome hundreds of millions of years ago.
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According to a recent FDA newsletter alert, some consumer electronic devices, such as certain cell phones and smartwatches, include high field strength magnets. Recent studies have shown that consumer electronic devices with high field strength magnets may cause certain implanted medical devices to switch to “magnet mode” and suspend normal operations until the magnet is moved away from the medical device.
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The mitochondrial enzyme dihydroorotate dehydrogenase (DHODH) plays an important and previously unknown role in blocking a form of cell death called ferroptosis, according to a new study published today in Nature by researchers at The University of Texas MD Anderson Cancer Center. Preclinical findings suggest that targeting DHODH can restore ferroptosis-driven cell death, pointing to new therapeutic strategies that may be used to induce ferroptosis and inhibit tumor growth.
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