A recent British study looked at more than 2,000 adults over the age of 65. The goal was to see how serum vitamin D levels correlate to respiratory disease risk.
Not surprisingly, results showed that subjects with severe D deficiency faced double the risk of respiratory disease that those with the highest vitamin D levels.
Subjects with moderate deficiencies had just under twice the risk, even after adjusting for other factors, like season and overall health status. And subjects with borderline levels–falling roughly between 20 and 25 ng/ml (a range that many conventional doctors would be perfectly fine with, by the way) didn’t really fare that much better.
The bottom line? An ample supply of vitamin D is a requirement for a strong respiratory system. And for the health of your whole body, regardless of your age.
So how do you get more? Like I’m always saying, a good half-hour of full exposure to mid-day sun is the best way to boost your stores of vitamin D.
But if that’s not possible, a daily dose of at least 2,000 to 5,000 IU of vitamin D3 is the next best thing.
Source:
Associations between vitamin d and self-reported respiratory disease in older people from a nationally representative population survey. J Am Geriatr Soc. 2013 Jun;61(6):969-73.
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