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--- dementia [2026/06/16 09:07] – [slowly progressive dementia] gary1
+++ dementia [2026/06/19 07:56] (current) – [environmental contributors] gary1
@@ Line 116: / Line 116: @@
   ***low dietary magnesium intake**
     * there appears to be a protective effect of higher dietary [[magnesium|magnesium]] (550mg/day compared to "normal" intake of 300mg/d) on reducing brain aging, reduction in brain size and dementia (([[https://www1.racgp.org.au/newsgp/clinical/can-a-magnesium-rich-diet-reduce-dementia-risk]]))
+  * **fish oil supplementation does not seem to be a benefit for preventing AD**(([[https://www.thelancet.com/journals/EBIOM/article/PIIS2352-3964(26)00198-2/fulltext|Lancet 2026: CNS target engagement of high-dose DHA supplementation in older adults at risk for dementia: a randomised, double-blind, placebo-controlled trial]]))
+  * **[[caffeine]] intake does seem to reduce onset of dementia**
   ***loneliness under age 80yrs** appears to increase risk of dementia 3-fold according to a 2022 study of 2,300 participants in the population-based Framingham Study, and lonely participants without dementia had signs of cognitive problems, including poorer executive function, lower total cerebral volume and greater brain white-matter injury.