All articles tagged with #dementia
Scientists developed a tool to temporarily boost mitochondrial activity in the brain, and in mouse models of neurodegenerative disease this restored memory performance, suggesting energy failure in neurons may drive cognitive decline and could become a new therapeutic target—though the approach is still far from human use and requires extensive safety and efficacy studies.
The article promotes eight weekly dietary inclusions to help reduce dementia risk, highlighting beans/legumes, fiber-rich foods, and olive oil, alongside nuts, seeds, and berries. It pairs these with lifestyle tips such as earlier dinners, staying physically active, strength and balance training, and adequate sleep, suggesting that small, regular tweaks to diet and daily routines can boost healthspan and cognitive resilience.
A growing body of evidence links routine vaccines (including flu, shingles, RSV, Tdap, pneumococcal, hepatitis A/B, and typhoid) with lower dementia risk. A leading hypothesis is that vaccines train the innate immune system via epigenetic changes, enabling stronger, non-specific responses that may reduce brain inflammation and slow cognitive decline. While data from BCG studies and population analyses support the idea, the exact mechanisms remain unproven and require more research. If validated, this could broaden understanding of vaccine benefits beyond targeted pathogen protection.
Canadian researchers analyzed data from 335 older adults with mild cognitive impairment and 170 with Alzheimer's from the COMPASS-ND cohort, finding that bilingualism interacts with verbal memory and sex hormones to influence brain resilience and dementia pathology; notably, bilingual men showed greater protection—potentially due to estradiol produced via aromatization alongside language experience—with higher resilience linked to better cognitive scores and lower neurodegeneration markers.
A large, long-term study of 131,821 healthcare professionals found that moderate caffeinated coffee or tea intake—about 250–300 mg of caffeine daily (roughly two to three cups of coffee)—is associated with up to a 35% lower risk of dementia, especially before age 75, with benefits leveling off at higher intakes. Decaf users sometimes showed faster memory decline, and tea may offer strong protection at 1–2 cups daily; overall, moderation appears key and results may be influenced by other lifestyle factors.
Canadian COMPASS-ND data show that bilingualism, verbal memory and sex hormones interact to shape brain resilience and dementia risk: higher resilience links to lower dementia pathology and better cognition, with bilingual men showing notably greater protection; aromatization of testosterone to estradiol may boost verbal memory. The study calls for broader diagnostics beyond verbal memory and more research on how hormones influence aging brains.
CBS Mornings, in partnership with the Alzheimer's Association, highlights how diet can support brain health through the MIND diet—rich in fruits, leafy greens, whole grains and lean proteins while limiting processed foods and added sugars. The Alzheimer’s Association's 6-Step Challenge offers practical guidance and a food-log approach to build lasting brain-healthy habits, with resources at rethinkyourbrain.org.
Gum disease and oral bacteria are increasingly linked to systemic health problems such as cardiovascular disease, stroke and diabetes, with inflammation and bloodstream spread playing key roles; while causality is complex, evidence suggests a real impact, and maintaining good oral hygiene (brushing twice daily, flossing) and reducing sugar intake is advised, though access to NHS dental care remains challenging for many.
The BBC highlights three enjoyable ways to protect the aging brain: boost spatial skills by navigating without GPS to strengthen the hippocampus; stay socially active to build cognitive reserve and lower dementia risk; and engage in lifelong learning to drive neuroplasticity and resilience.
A BrainHealth study links brain microplastics to everyday ultra-processed foods (UPFs), noting UPFs account for about 60% of Americans’ calories and may carry plastic fragments into the brain; observational data associate higher brain microplastics with dementia and worsened brain health, while UPF consumption correlates with a higher risk of heart attack, stroke, or death (about fourfold for the combined risk). Preliminary work on therapeutic apheresis to remove plastics from plasma exists, but its effectiveness and scalability are unclear.
Moderate coffee consumption is linked to lower dementia risk, lower diabetes and liver-disease risk, and even lower all-cause mortality; the benefits appear driven by polyphenols such as chlorogenic acid (not caffeine), with morning drinking most advantageous and sugar/milk reducing gains; rising specialty coffee culture and climate risks shape future health implications.
A long-term study of nearly 40,000 older adults found that regular egg consumption is linked to a lower risk of Alzheimer’s disease, with five or more servings per week associated with a 27% reduction; those eating eggs 1–3 times per month to 2–4 times per week saw 17–20% lower risk, respectively. The association persisted after adjusting for diet, lifestyle and health factors, but causality isn’t proven. Eggs’ nutrient-dense yolk—choline, B12, lutein and omega-3s—likely supports brain health, and the study notes that eggs should be eaten as part of an overall healthy diet and that preparation methods may influence effects.
Americans spend billions on brain-health supplements, but most claims lack rigorous scientific backing; only one supplement has shown a modest slowdown in cognitive aging in clinical trials, while experts emphasize proven cognitive-health strategies like regular exercise, adequate sleep, and social engagement.
The Osorio family filed a federal lawsuit in Houston accusing Spirit Airlines of abandoning 75-year-old Marcos Humberto Vindel Osorio, who had mild dementia, by failing to provide promised deplaning and airport assistance; Osorio reportedly wandered from George Bush Intercontinental Airport onto the Eastex Freeway and was struck by vehicles. The lawsuit claims Spirit’s lack of assistance caused his death and seeks damages for compensatory, survival, and wrongful death claims, with an initial pretrial conference scheduled for July 17, 2026.
New guidance highlights how dementia can affect driving skills first—vision, balance, and visuospatial abilities—often years before diagnosis. Early signs can also include loss of smell and trouble with everyday tasks. While a dementia diagnosis doesn't automatically stop driving, worsening symptoms should prompt medical evaluation and safer driving decisions.