Hi coinjunky2,
I'm not a doctor, so I can't offer a medical opinion. Please consult your doctor to get specific medical advice.
That said, according to
http://www.uic.com.au/nip35.htm, there shouldn’t be much risk But anyone who trusts anything serious to information on the web, is getting what he or she deserves.
Cheers!
Dave
P.S.: Other web pages to consult for more detailed information, if you so please, are:
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http://www.testedgroup.com/document.php?id=55
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http://www.world-nuclear.com/info/inf57.htm, and
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http://www.llrc.org/smokedetect/smokedetectpage.htm
(take this 3rd reference with a grain of salt, they obviously have a particularly biased point of view against radiation.) This site is mentioned if you’re interested in the debate as well as the science.
Again same disclaimer, for these sites.
A note: the original source material, quoted in several of web pages above is:
http://www.arpansa.gov.au/is_smkdt.htm