The Dementia League

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The Dementia League

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The Dementia League – Empowering you with science-backed ways to protect your brain! Stay informed, take action. Follow for weekly breakthroughs. 🧠

We share the latest peer-reviewed research on lowering dementia & Alzheimer’s risk + healthy brain habits.

10/28/2026

A nationwide study from Denmark found that starting statins earlier after a type 2 diabetes diagnosis was linked to a lower risk of dementia over 10 years.

The 10-year dementia risk was 3.9% with no statin, 3.3% with early statin use, and 3.5% with later use. Because this was an observational study, it can’t prove statins were the reason for the difference.

For brain health, managing cholesterol, blood sugar, and blood pressure with your care team matters. 🧠

10/27/2026

When we think about staying sharp as we age, we often focus on memory games, but your body matters too.

In this study of prefrail and frail older adults, better cardiorespiratory fitness was linked to lower odds of cognitive impairment, with the highest-fitness group showing a 85% lower odds than the lowest. Higher handgrip strength was also linked to less impairment, but the link was weaker after accounting for fitness.

Because this was a cross-sectional study, it shows association, not cause. Moving more may support brain health. 💪

10/25/2026

Could eating more nuts be linked to sharper brain health? In this case-control study of 466 adults, people who ate nuts at least monthly had lower odds of dementia than those who ate them rarely: 69% lower at monthly intake, 48% lower at weekly intake, and 68% lower at daily or more in age-adjusted results. After fuller adjustment, the link remained, but this kind of study can’t prove cause and effect, and food recall can be imperfect. Bottom line: nuts may be one brain-friendly habit worth including. 🥜

10/24/2026

Could a bladder medicine matter for brain health? 🤔

In this study of older women, anticholinergic OAB medicines were linked to a 49% higher risk of claims-defined dementia than β3-agonists.

That does not prove the medicine caused the change. But it does add to the evidence that some anticholinergic drugs may be worth a closer look, especially for long-term brain health.

The study did not find a difference in long-term care needs or frailty over 5 years.

What do you think this means for everyday brain-health choices? Share your take. 💬

10/23/2026

Could a medication used for mood care also matter for brain health? 💊

A recent review found lithium exposure was linked with about 37% lower dementia risk in cohort studies. A few small trials also found better cognitive scores, but most of the evidence was observational, and the studies were quite mixed. That means the link is promising, not proof.

This is a strong reason for more long-term research on lithium and brain aging.

10/22/2026

Could your vitamin C levels affect your brain structure? 🧠

A study of 2,044 older adults found that people with lower vitamin C in their blood had less gray matter volume and weaker connectivity in a key brain network — even after accounting for age, health conditions, and lifestyle.

That's a notable link.

But here's the honest part: this was a snapshot study, so it shows association, not cause. We can't say low vitamin C shrinks the brain — only that the two seem to travel together.

Still worth knowing as researchers dig deeper.

What's one way you try to eat for brain health?

10/21/2026

Can better hearing help protect memory as we age?

In a study of older adults with mild cognitive impairment and hearing loss, hearing aids did not significantly lower the chance of reaching dementia-level impairment: 3.09% vs 4.74% in the control group.

But the hearing intervention did improve cognition in a secondary analysis, with more people showing better scores. This is encouraging, but the main result was not statistically significant.

If hearing is an issue, it’s worth asking about care that fits you.

10/20/2026

Longer workout bouts were linked to lower future dementia risk in UK Biobank: 13-minute bouts had 72% lower observed risk vs never doing MVPA. Lower activity fragmentation was also linked to better brain volume. What kind of activity fits your day?

10/19/2026

Can trouble falling asleep be a clue for brain health? 😴

In this preprint of 16,884 adults across 3 cohorts, difficulty falling asleep was linked to faster cognitive decline in midlife. At age 50, it was tied to a less favorable 5-year change in recall, about a 0.12 SD difference.

The pattern changed with age. In older adults, the link weakened and even flipped.

What it means: sleep problems may matter differently across the adult life span.

This is observational, so it shows association, not cause. Thoughts on sleep and brain health?

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South Bend, IN
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http://www.dementialeague.org/

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