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Matti Narkia

Are omega-3 fatty acids options for prevention and treatment of cognitive decline and d... - 0 views

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    Are omega-3 fatty acids options for prevention and treatment of cognitive decline and dementia?
    Cederholm T, Palmblad J.
    Curr Opin Clin Nutr Metab Care. 2009 Dec 16. [Epub ahead of print]
    PMID: 20019606

    PURPOSE OF REVIEW: To report recent data on the potential role of omega-3 fatty acids (n-3 FA) found in oily fish, especially docosahexaenoic acid (DHA), to prevent and treat cognitive decline and Alzheimer's disease. RECENT FINDINGS: Observational studies still provide conflicting results, in which the majority indicate beneficial effects on cognition, both when assessed as a continuous variable or as incident dementia, mainly Alzheimer's disease. Experimental studies have demonstrated potentially ameliorating effects of eicosapentaenoic acid (EPA) and DHA on amyloid fragment formation, signal transduction including upregulation of the apolipoprotein receptor SorLA, as well as on angiogenesis. The role of EPA and DHA metabolites on Alzheimer's disease pathology is under investigation. Recently, three randomized intervention studies, with duration up to 6 months have been reported. In contrast to a small study from Taiwan, no positive overall effects were reported from the Swedish OmegAD Study or from a Dutch study, although post hoc analyses indicate that selected individuals with mild forms of Alzheimer's disease or cognitive decline may respond to treatment. SUMMARY: No firm conclusions can be drawn. Based on epidemiological data, fish including oily fish could be advised as part of a balanced diet for public health purpose, although the evidence for better cognition is only fairly consistent. It is unlikely that n-3 FA will emerge as a treatment option in general for improving cognitive function in patients with Alzheimer's disease. n-3 FA, especially DHA, may turn out as an adjuvant therapy in selected cases. Further long-term intervention studies on individuals with mild cognitive reductions are awaite"
Matti Narkia

25(OH)D Serum Levels Decline With Age Earlier in Women Than in Men and Less Efficiently... - 0 views

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    25(OH)D Serum levels decline with age earlier in women than in men and less efficiently prevent compensatory hyperparathyroidism in older adults.
    Maggio D, Cherubini A, Lauretani F, Russo RC, Bartali B, Pierandrei M, Ruggiero C, Macchiarulo MC, Giorgino R, Minisola S, Ferrucci L.
    J Gerontol A Biol Sci Med Sci. 2005 Nov;60(11):1414-9.
    PMID: 16339327

    Conclusions. These findings suggest that the age-associated fall of serum 25(OH)D starts earlier in women than in men and that higher levels of 25(OH)D are required in older compared to younger persons to avoid the age-associated compensatory hyperparathyroidism.
Matti Narkia

Vitamin D Status Predicts Physical Performance and Its Decline in Older Persons -- Wich... - 0 views

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    Vitamin D status predicts physical performance and its decline in older persons.
    Wicherts IS, van Schoor NM, Boeke AJ, Visser M, Deeg DJ, Smit J, Knol DL, Lips P.
    J Clin Endocrinol Metab. 2007 Jun;92(6):2058-65. Epub 2007 Mar 6.
    PMID: 17341569
    doi:10.1210/jc.2006-1525

    ONCLUSIONS: Serum 25-OHD concentrations below 20 ng/ml are associated with poorer physical performance and a greater decline in physical performance in older men and women. Because almost 50% of the population had serum 25-OHD below 20 ng/ml, public health strategies should be aimed at this group.
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