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Oily fish: Mackerel is a good source of vitamin D

Vitamin D may offer protection against the most common form of diabetes.

New research shows that, in particular, men with the highest blood level of the vitamin were 72 per cent less likely to develop type 2 diabetes.

There was a reduced effect among women.

Scientists in Finland monitored several thousand people, aged 40 to 74, for 22 years, during which time 412 developed the disease.

Results showed that those with higher levels of vitamin D had the lower risk of diabetes.

It is thought that low levels of vitamin D affect the body’s ability to produce insulin.

Diabetes type 2 is a growing health problem.

There are 1.9 million adults in the UK with diagnosed diabetes, and it is estimated there are another 589,000 unidentified sufferers.

Risk increases with age - less than one per cent of people under 34 have diagnosed diabetes compared with 10 per cent aged 75 and over.

Medical experts now claim that taking vitamin D supplements during early childhood may dramatically cut the odds of developing Type 1 diabetes later in life. Researches found that children given additional vitamin D were up to 80% less likely to develop Type 1 diabetes than those not given the supplement.

They also found that the higher and more regular the dose, the lower the likelihood of developing the condition. These findings came from the analysis of five studies in various countries.

One of the studies that was looked at was a Finnish sudy that followed more than 12,000 children born in 1966 in Finland. Their study showed that those who took any amount of vitamin D had a lower rate of diabetes than those who did, and those who took recommended amounts of vitamin D were at an 80% reduced risk of developing it.

Type 1 diabetes is an auto-immune disease in which the immune system destroys its own cells. It develops when insulin-secreting cells in the pancreas are destroyed.

Researchers believe that vitamin D, which is believed to be an immuno-suppressant agent, may prevent an overly aggressive response from the immune system. Nutrition experts recommend 8.5 microgrammes a day, and 7 microgrammes a day for those age 7 months to three years.

Six-year vitamin E supplementation increased tuberculosis risk by 72% in male smokers who had high dietary vitamin C intake, but vitamin E had no effect on those who had low dietary vitamin C intake, according to a study published in the British Journal of Nutrition.
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