Interesting graph from article on a recent study on Vitamin D3 blood levels indicating increased mortality if it is too low, and if it is too high.
Scientists have measured 25-hydroxyvitamin D (in nanomol per liter of serum).
The study's conclusion: If the blood contains more than 140 nmol vitamin per liter of serum, the mortality rate is higher by a factor of 1.42. However, the mortality rate is higher by a factor of 2.31, if the blood contains less than 10 nmol vitamin per liter of serum. Both figures are considered in relation to 50 nmol vitamin per liter of serum, where scientists found the lowest level of mortality risk.
The study's conclusion: If the blood contains more than 140 nmol vitamin per liter of serum, the mortality rate is higher by a factor of 1.42. However, the mortality rate is higher by a factor of 2.31, if the blood contains less than 10 nmol vitamin per liter of serum. Both figures are considered in relation to 50 nmol vitamin per liter of serum, where scientists found the lowest level of mortality risk.
Carl
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