Vitamin C Prevalence of Deficiency
plasma Vit. C<11.0umol/l - NDNS data
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Approx. 20% of adults and 12% of the elderly took supplements of vitamin C
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Approx. 25% of British adults smoke and this declines after the age of 65 years
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Aspirin was taken by 20% of free-living elderly and 24% of institutionalised elderly