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Increasing Incidence of Type 1 Diabetes Among Children in Finland Appears to Have Leveled Off

by Dr. Enozia Vakil on  July 26, 2013 at 3:41 PM General Health News   - G J E 4
The occurrence of type 1 diabetes in children has increased, lead author of a study examining the incidence rates of the disease in children less than 15 years, explained.
 Increasing Incidence of Type 1 Diabetes Among Children in Finland Appears to Have Leveled Off
Increasing Incidence of Type 1 Diabetes Among Children in Finland Appears to Have Leveled Off
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As reported in a Research Letter, all children with newly diagnosed T1D were ascertained using several nationwide registers. Age-standardized and age-specific annual incidence rates for age groups 0-4, 5-9, and 10-14 years were calculated. A total of 14,069 children (7,695 boys and 6,374 girls) were diagnosed with T1D between 1980 and 2011, of whom 3,332 were new cases between 2006 and 2011. The peak incidence was observed in 2006. Analysis indicated 2 significant changes in the longer-term trend. After a modest increase until 1988, the incidence increased annually by 3.6 percent until 2005, followed by a plateau until the end of 2011.

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"The encouraging observation in this study is that the incidence of T1D in Finnish children younger than 15 years has ceased to increase after a period of accelerated increase. This may be due to changes in the environment, such as vitamin D intake. The amount of vitamin D recommended for supplementation in infants had been reduced to one-tenth since the 1950s, during which time the incidence of T1D increased 5-fold. The fortification of dairy products with vitamin D after 2003 may have contributed to the leveling off of T1D incidence," the authors write.



Source: Eurekalert
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