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Supplements May Harm Aging Brains | Anchorage News

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New research is shaking up the supplement world, especially for older adults: vitamin D, omega-3s, and glucosamine—long thought harmless or beneficial—may actually accelerate cognitive decline. Recent studies link these common supplements to faster mental deterioration in aging populations, though causation isn’t proven. Scientists suspect aging brains process nutrients differently, and the blood-brain barrier may play a role. Unlike prescription drugs, supplements aren’t adjusted for age, raising urgent questions about who they’re truly meant for—and whether we should rethink how we use them as we grow older.

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Supplements May Harm Aging Brains | Anchorage News

Anchorage News Today | 2 Min News | The Daily News Now!

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Anchorage News Today | 2 Min News | The Daily News Now!Supplements May Harm Aging Brains | Anchorage News. Machine-transcribed; use the interactive transcript above to jump the player to any line.

New research is making us rethink some popular supplements, especially for older folks. We've always thought things like vitamin D, omega-3s, and glucose amine were generally good for us, or at least harmless. But some recent studies are suggesting that, as our brain's age, these supplements might not be so beneficial, and could even be linked to faster. Cognitive Decline Earlier this year, a study found that vitamin D supplements were associated with quicker cognitive decline in older adults who already had normal. Vitamin D levels Then, in April, another study linked omega-3 supplements to greater cognitive deterioration in adults over 55. Most recently, in June, research indicated that people taking glucose amine, often used for joint pain, might have a higher chance of progressing from. Mild-Cognitive impairment to dementia These findings are preliminary, and the studies are mostly observational, meaning they don't prove that the supplements are the direct cause. It's possible that other factors are at play.

However, scientists are starting to consider that as we age, our brains process nutrients differently, and things like the blood-brain barrier change, which could affect how these supplements work. The implications are significant because, unlike prescription drugs, supplements often don't come with age-specific dosing advice. Doctors adjust medication dosages based on how our bodies change with age, but supplements are usually treated the same for everyone. This new research suggests we need to ask, not just if a supplement is good for us, but good for whom, and at what age? While researchers aren't telling people to stop taking their supplements just yet, these findings highlight a gap in our understanding. They suggest that supplements are biologically active substances, not just inert additions to our diet, and that older adults should approach them, with more consideration for how their aging bodies might react. That's the story for today.

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