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Oxidative stress can compromise central nervous system integrity, thereby affecting cognitive ability. Consumption of plant foods rich in antioxidants could thereby protect cognition. We systematically reviewed the literature exploring the effects of antioxidant-rich plant foods on cognition. Thirty-one studies were included: 21 intervention, 4 cross-sectional (one with a cohort in prospective observation as well), and 6 prospective studies. Subjects belonged to various age classes (young, adult, and elderly). Some subjects examined were healthy, some had mild cognitive impairment (MCI), and some others were demented. Despite the different plant foods and the cognitive assessments used, the results can be summarized as follows: 7 studies reported a significant improvement in all cognitive domains examined; 19 found significant improvements only in some cognitive areas, or only for some food subsets; and 5 showed no significant improvement or no effectiveness. The impact of dietary plant antioxidants on cognition appears promising: most of the examined studies showed associations with significant beneficial effects on cognitive functions—in some cases global or only in some specific domains. There was typically an acute, preventive, or therapeutic effect in young, adult, and elderly people, whether they were healthy, demented, or affected by MCI. Their effects, however, are not attributable only to anti-oxidation.

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Objective: Bladder dysfunctions are common in multiple sclerosis (MS) often causing the most distressing symptoms. The aim of this paper was to evaluate the effectiveness of sacral nerve modulation (SNM) in this disease. Methods: We conducted an observational retrospective survey in 17 patients treated with SNM in the north-east of Italy, all complaining of bladder symptoms (storage in 41%, voiding in 24%, mixed in 35%) unresponsive to conventional therapies, with a mean follow-up of 52 ± 26 months and mean Expanded Disability Status Scale score of 5.8 ± 1.8. Results: 75% of patients reported significant and lasting improvement in bladder symptoms and in quality of life. We observed a statistically significant improvement in frequency, urgency, number of pads, residual volumes, number of catheterizations and in the voided volumes. In 5 out of 6 cases with mixed symptoms the stimulation was discontinued (device totally explanted or turned off) after a mean time of 66 months (range 10-84 months) after the implant, for disease progression or loss of efficacy. Conclusion: SNM could be an option in very selected cases of storage and voiding symptoms refractory to conservative treatments caused by a stable or slowly progressive MS considering its minimal invasiveness and reversibility. The poor results observed suggest avoiding this therapy in mixed symptoms and in cases of advanced disability.