BoyRaspberriesWebVitamin D deficiency has been associated with more and more chronic illness over the past few years, and last year’s poor summer followed by a harsh winter has not helped.

In a paper published in Finland, vitamin D levels were tested in 1351 chronically ill children in a paediatric outpatient clinic. They found that 47% of the children had subnormal vitamin D levels (<50nmol/L). The test was carried out in both summer and winter and in summer subnormal levels dropped to 28%, but this is still a high percentage.

The study also found a correlation between vitamin D levels and age. Adolescents had poorer results than the younger children, suggesting that the balance between intake and requirement changes as we grow.

The study concluded that clinicians should routinely test individuals at risk and recommend supplementation. The challenge for all parents is allowing your child adequate exposure to the sun, whilst still protecting them against

If your staff would benefit from a seminar on children’s health contact Emily on 07967 639347 or email

Holmlund-Suila E, Koskivirta P, Metso T, Andersson S, Mäkitie O, Viljakainen HT (2013) Vitamin D Deficiency in Children with a Chronic Illness-Seasonal and Age-Related Variations in Serum 25-hydroxy Vitamin D Concentrations. PLoS One. 2013 Apr 9;8(4):e60856. doi: 10.1371/journal.pone.0060856. Print 2013.

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