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High vitamin D levels 'reduce older adults' risk of heart disease, diabetes' | High levels of vitamin D can reduce elderly people's chances of developing heart disease or diabetes by 43 percent, according to researchers at the University of Warwick. To reach
the conclusion, boffins carried out a systematic literature review of studies
examining vitamin D and cardiometabolic disorders. Cardiometabolic disorders include
cardiovascular disease, type 2 diabetes mellitus and metabolic syndrome. Vitamin
D is a fat-soluble vitamin that is naturally present in some foods and is also
produced when ultraviolet rays from sunlight strike the skin and trigger vitamin
D synthesis. Fish such as salmon, tuna and mackerel are good sources of vitamin
D, and it is also available as a dietary supplement. In the study, researchers
looked at 28 studies including 99,745 participants across a variety of ethnic
groups including men and women. The studies revealed a significant association
between high levels of vitamin D and a decreased risk of developing cardiovascular
disease (33 percent compared to low levels of vitamin D), type 2 diabetes (55
percent reduction) and metabolic syndrome (51 percent reduction). The literature
review, published in the journal Maturitas, was led by Johanna Parker and Dr Oscar
Franco, Assistant Professor in Public Health at Warwick Medical School. Dr Franco
said: "We found that high levels of vitamin D among middle age and elderly populations
are associated with a substantial decrease in cardiovascular disease, type 2 diabetes
and metabolic syndrome. "Targeting vitamin D deficiency in adult populations could
potentially slow the current epidemics of cardiometabolic disorders." |
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