Researchers at the University of Calgary’s Hotchkiss Brain Institute in Canada and the University of Exeter in the UK explored the relationship between vitamin D supplementation and dementia in more than 12,388 participants of the US National Alzheimer’s Coordinating Center, who had a mean age of 71 and were dementia-free when they signed up. Of the group, 37 per cent (4,637) took vitamin D supplements.
In the study, published in Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring, the team found that taking vitamin D was associated with living dementia-free for longer, and they also found 40 per cent fewer dementia diagnoses in the group who took supplements.
University of Exeter. “Taking vitamin D could help prevent dementia: Taking vitamin D supplements may help ward off dementia, according to a new, large-scale study..” ScienceDaily. http://www.sciencedaily.com/releases/2023/03/230301101511.htm (accessed March 1, 2023) — https://www.sciencedaily.com/releases/2023/03/230301101511.htm
Maryam Ghahremani, Eric E. Smith, Hung‐Yu Chen, Byron Creese, Zahra Goodarzi, Zahinoor Ismail. Vitamin D supplementation and incident dementia: Effects of sex, APOE , and baseline cognitive status. Alzheimer’s & Dementia: Diagnosis, Assessment & Disease Monitoring, 2023; 15 (1) DOI: 10.1002/dad2.12404
A study by Huang and colleagues is the first nationally representative cohort study examining the association between social isolation and incident dementia for older adults in community dwelling settings. A cohort of 5,022 older adults participating in the National Health and Aging Trends Study was followed from 2011 to 2020. When adjusting for demographic and health factors, including race, level of education, and number of chronic health conditions, socially isolated adults had a greater risk of developing dementia, compared with adults who were not socially isolated (hazard ratio, 1.27; 95% CI, 1.08 – 1.49). Potential mechanisms to explain this association include the increased risk of cardiovascular disease and depression in older adults who are socially isolated, thereby increasing dementia risk.
Mengru Wang. Geriatrician Advises on Use of Vitamin D Supplementation, Lecanemab, and Social Media for Her Patients – Medscape – Jan 20, 2023 — https://www.medscape.com/viewarticle/987285?src=rss#vp_2
One week ago we had our older adult friends over for dinner. Midweek my wife went out with her friends while I gathered with my friends. Last night was date night and we got out of the house. This evening we’re having dinner at a friend’s house.
Dementia risk reduction activities!
The retrospective analysis involving 30 million people in France shows that those with a history of alcohol use disorders had a threefold increased risk for dementia and that over half those with early-onset dementia had a history of alcohol problems. “This study used a phenomenally large database, and the result showing that half the cases of early-onset dementia were associated with alcohol use disorders is truly staggering,” Ballard told Medscape Medical News.
The researchers used diagnostic codes on hospital records to identify patients with dementia and those who had a history of alcohol use disorders. They found over a million cases of dementia, after excluding people with diseases that can lead to rare types of dementia and those with early-life mental disorders that can increase or confound dementia diagnosis. There were also 945,000 people with alcohol use disorders.
Results showed a strong association between a history of alcohol problems and dementia. This was especially noticeable in early-onset dementia, with 57% of the 57,000 patients who had developed dementia under the age of 65 years having a history of alcohol use disorders (66% of men and 37% of women).
In an analysis of just those patients in whom the first record of dementia occurred in 2011-2013 and adjusted for other risk factors found in the medical records, the risk for dementia was three times greater if the patient had a history of alcohol use disorders. The hazard ratio was 3.36 for men and 3.34 for women.
Read the Medscape article here. Or get down and dirty with the full study here.
Be careful with interpreting these results.
France. I’m not joking. Here’s a Global Consumption Map.
Remember this – if you can’t remember you’ve forgotten you have a problem.
Source article here.
And while we’re on the topic don’t forget to exercise.
Or did you forget?
A follow up two years later showed that patients who were unaware of their memory problems were more likely to have developed dementia, even when taking into account other factors like genetic risk, age, gender and education. The increased progression to dementia was mirrored by increased brain metabolic dysfunction in regions vulnerable to Alzheimer’s disease.
Fish Oil Slows Cognitive Decline, With Caveats.
- This study was done at Rhode Island Hospital. I have been a participant in a longitudinal weight loss study with this facility for many years.
- My son is a physician at this hospital.
- I like fish.
Alzheimer’s disease is the 6th leading cause of death in the United States overall and the 5th leading cause of death for those aged 65 and older. It is the only cause of death among the top 10 in America without a way to prevent it, cure it or even slow its progression. Deaths from Alzheimer’s increased 68 percent between 2000 and 2010, while deaths from other major diseases, including the number one cause of death (heart disease), decreased.
via Latest Facts & Figures Report | Alzheimer’s Association.
One in three older adults has Alzheimer’s disease or another type of dementia at the time of death. As the nation’s population ages, the number of people with the progressive neurological disorder could triple in the next 40 years, said a study published online Feb. 6 in Neurology.
via 1 in 3 Americans has dementia at time of death – amednews.com.
Epidemiologic data suggest that individuals at all stages of CKD have a higher risk of developing cognitive disorders and dementia. This risk is generally explained by the high prevalence of both symptomatic and subclinical ischemic cerebrovascular lesions.
via Cognitive Disorders and Dementia in CKD: The Neglected Kidney-Brain Axis.
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