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  1. #1
    Usuari@ expert@ Avatar de sujal
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    Deterioro cognitivo

    The incidence of dementia and intake of animal products: preliminary findings from the Adventist Health Study.Giem P, Beeson WL, Fraser GE.
    Department of Preventive Medicine, School of Medicine, Loma Linda University, CA 92350.

    We investigated the relationship between animal product consumption and evidence of dementia in two cohort substudies. The first enrolled 272 California residents matched for age, sex, and zip code (1 vegan, 1 lacto-ovo-vegetarian, and 2 'heavy' meat eaters in each of 68 quartets). This design ensured a wide range of dietary exposure. The second included 2,984 unmatched subjects who resided within the Loma Linda, California area. All subjects were enrolled in the Adventist Health Study. The matched subjects who ate meat (including poultry and fish) were more than twice as likely to become demented as their vegetarian counterparts (relative risk 2.18, p = 0.065) and the discrepancy was further widened (relative risk 2.99, p = 0.048) when past meat consumption was taken into account. There was no significant difference in the incidence of dementia in the vegetarian versus meat-eating unmatched subjects. There was no obvious explanation for the difference between the two substudies, although the power of the unmatched sub-study to detect an effect of 'heavy' meat consumption was unexpectedly limited. There was a trend towards delayed onset of dementia in vegetarians in both substudies.

    PMID: 8327020 [PubMed - indexed for MEDLINE]

    Cardiovascular disease risk factors and cognitive impairment.

    Nash DT, Fillit H.

    Upstate Medical University, Syracuse Preventive Cardiology, Syracuse, New York, USA.

    The role of cardiovascular disease risk factors in the occurrence and progression of cognitive impairment has been the subject of a significant number of publications but has not achieved widespread recognition among many physicians and educated laymen. It is apparent that the active treatment of certain of these cardiovascular disease risk factors is accompanied by a reduced risk for cognitive impairment. Patients with hypertension who are treated experience fewer cardiovascular disease events as well as less cognitive impairment than similar untreated patients. Patients who exercise may present with less cognitive impairment, and obesity may increase the risk for cognitive impairment. Lipid abnormalities and genetic markers are associated with an increased risk for cardiovascular disease and cognitive impairment. Autopsy studies have demonstrated a correlation between elevated levels of cholesterol and amyloid deposition in the brain. Research has demonstrated a relation between atherosclerotic obstruction lesions in the circle of Willis and dementia. Diabetes mellitus is associated with an increased risk for cardiovascular disease and cognitive impairment. A number of nonpharmacologic factors have a role in reducing the risk for cognitive impairment. Antioxidants, fatty acids, and micronutrients may have a role, and diets rich in fruits and vegetables and other dietary approaches may improve the outlook for patients considered at risk for cognitive impairment.

    PMID: 16616038 [PubMed - indexed for MEDLINE]

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  2. #2
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    Mild cognitive impairment is a clinical entity of dementia, affects individuals for damage than expected for their age and education, but not significantly interfere with their daily activities. He is regarded as the boundary between normal aging and dementia. Equivalent to the English term mild cognitive impairment.

  3. #3
    Vegano de Nivel Ocho Avatar de Dethvader
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