Doubt cast on vitamin D's role against disease

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http://www.bbc.co.uk/news/health-25234313


Vitamin D supplements are recommended for young children and the elderly

Scientists have cast doubt on the value of vitamin D supplements to protect against diseases such as cancers, diabetes and dementia.

Writing in The Lancet Diabetes and Endocrinology, French researchers suggest low vitamin D levels do not cause ill health, although they did not look at bone diseases.

More clinical trials on non-skeletal diseases are needed, they say.

Vitamin D supplements are recommended for certain groups.