Dänemark:
Eine Meldung Increased incidence of hypothyroidism seen following iodine fortification of salt von Reuters Health Information vom 17.09.2007, die auch von MerckMedicus als “Alert” verbreitet wurde, lässt aufhorchen:
...Fortification of household salt and salt used in commercial bread production became mandatory in 2000. The fortification level was calculated to increase iodine intake by about 50 mcg/day...
..."The mechanism behind such an iodine-induced increase on the incidence of hypothyroidism is unknown," the authors note, although they suggest several possible mechanisms...
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http://www.merckmedicus.com/pp/us/hcp/h ... ewsgroup=2
In einem Artikel Large Differences in Incidences of Overt Hyper- and Hypothyroidism Associated with a Small Difference in Iodine Intake: A Prospective Comparative Register-Based Population Survey aus 2002 heißt es bereits:
...The results suggest that any increase in iodine intake of a population that is not severely iodine deficient may induce an increase in the incidence of hypothyroidism...”...
...The optimal level of iodine intake to prevent thyroid disease may be a relatively narrow range around the recommended daily intake at 150 µg...
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http://jcem.endojournals.org/cgi/conten ... 462?ck=nck
LG - Norbert
PS:
http://www.norbertnehring.de/Aktuelles/aktuelles.html