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<td><span style="font-family:Helvetica, sans-serif; font-size:20px;font-weight:bold;">Mind & Brain News -- ScienceDaily</span></td>
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<td><a href="https://www.sciencedaily.com/releases/2025/12/251219093315.htm" style="font-family:Helvetica, sans-serif; letter-spacing:-1px;margin:0;padding:0 0 2px;font-weight: bold;font-size: 19px;line-height: 20px;color:#222;">The 98% mystery: Scientists just cracked the code on “junk DNA” linked to Alzheimer’s</a>
<div style="font-family:Helvetica, sans-serif; text-align:left;color:#999;font-size:11px;font-weight:bold;line-height:15px;">Dec 19th 2025, 11:03</div>
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<p>Researchers have revealed that so-called “junk DNA” contains powerful switches that help control brain cells linked to Alzheimer’s disease. By experimentally testing nearly 1,000 DNA switches in human astrocytes, scientists identified around 150 that truly influence gene activity—many tied to known Alzheimer’s risk genes. The findings help explain why many disease-linked genetic changes sit outside genes themselves. The resulting dataset is now being used to train AI systems to predict gene control more accurately.</p>
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<td><a href="https://www.sciencedaily.com/releases/2025/12/251218060615.htm" style="font-family:Helvetica, sans-serif; letter-spacing:-1px;margin:0;padding:0 0 2px;font-weight: bold;font-size: 19px;line-height: 20px;color:#222;">Helping others for a few hours a week may slow brain aging</a>
<div style="font-family:Helvetica, sans-serif; text-align:left;color:#999;font-size:11px;font-weight:bold;line-height:15px;">Dec 19th 2025, 10:08</div>
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<p>Spending a few hours a week helping others may slow the aging of the brain. Researchers found that both formal volunteering and informal acts, like helping neighbors or relatives, were linked to noticeably slower cognitive decline over time. The benefits added up year after year and didn’t require a huge time commitment. Even modest, everyday helping packed a powerful mental payoff.</p>
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<td><a href="https://www.sciencedaily.com/releases/2025/12/251218060554.htm" style="font-family:Helvetica, sans-serif; letter-spacing:-1px;margin:0;padding:0 0 2px;font-weight: bold;font-size: 19px;line-height: 20px;color:#222;">Glowing neurons let scientists watch the brain work in real time</a>
<div style="font-family:Helvetica, sans-serif; text-align:left;color:#999;font-size:11px;font-weight:bold;line-height:15px;">Dec 19th 2025, 06:49</div>
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<p>A new bioluminescent tool allows neurons to glow on their own, letting scientists track brain activity without harmful lasers or fading signals. The advance makes it possible to watch individual brain cells fire for hours, offering a clearer, deeper look at how the brain works.</p>
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<td><a href="https://www.sciencedaily.com/releases/2025/12/251219030500.htm" style="font-family:Helvetica, sans-serif; letter-spacing:-1px;margin:0;padding:0 0 2px;font-weight: bold;font-size: 19px;line-height: 20px;color:#222;">Neurons aren’t supposed to regrow but these ones brought back vision</a>
<div style="font-family:Helvetica, sans-serif; text-align:left;color:#999;font-size:11px;font-weight:bold;line-height:15px;">Dec 19th 2025, 04:07</div>
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<p>After injury, the visual system can recover by growing new neural connections rather than replacing lost cells. Researchers found that surviving eye cells formed extra branches that restored communication with the brain. These new pathways worked much like the originals. The repair process, however, was slower or incomplete in females, pointing to important biological differences in recovery.</p>
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<p><strong>Forwarded by:<br />
Michael Reeder LCPC<br />
Baltimore, MD</strong></p>
<p><strong>This information is taken from free public RSS feeds published by each organization for the purpose of public distribution. Readers are linked back to the article content on each organization's website. This email is an unaffiliated unofficial redistribution of this freely provided content from the publishers. </strong></p>
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