Vitamin D and the Common Cold
If you want to stay healthy even if everyone around you is down with a cold, this information is for you.
On his web site, one of my favorite health writers (J F McCaffrey MD), reported on a study in a major medical journal that confirmed that vitamin D is associated with lower risks of colds and other respiratory infections.
The study publishes in the journal reviewed data collected during a health survey involving 18,883 people. The researchers measured the vitamin D levels in specimens collected during the survey. The researchers then looked at which people experienced respiratory infections and cold and flu symptoms during the study period.
It turns out that someone with inadequate levels of vitamin D were much more likely to develop respiratory infections. The risk was even greater in those who had chronic problems such as asthma.
Ever conservative, the researchers are quick to point out that this study doesn’t prove that taking vitamin D reduces your risk of getting a cold. They’re right, it doesn’t. Two things happening one after the other doesn’t prove the first caused the second. It could be that healthy people are outside more and therefore have higher vitamin D levels than sickly people who are in bed more.
That may be true, but they didn’t identify any such differences in the survey. And it’s true that more and more reports show the importance of vitamin D and its affect on immune function. Decreased levels of vitamin D are noted in people with higher rates of several different cancers as well as heart disease.
So while strictly speaking it’s true that “further study is needed” to prove absolutely that takingvitamin D protects you from respiratory infections, I’m not waiting. It will be years, if not decades before those studies are done, if anyone ever does them at all (there’s not much money in selling vitamin D). Vitamin D is safe and everyone should make sure they’re getting adequate amounts.
If you live in a sunny area, you can get adequate vitamin D with only 15 minutes of so of sun exposure to most of your body a day. But not everyone can get out in the sun or enjoys it. Which is why I take about 2,000 units of vitamin D a day.
Vitamin D has a lot of benefits besides preventing you from coming down with a cold. Find out about Vitamin D and Heart Attacks at that link.
And again, for information on all aspects of vital living, I highly recommend going to:
Be sure to get the free report on the Surprising Power of the Heart while you’re there. It has some pretty amazing information in it you can use right now.
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