28 October 2014

Type 1 diabetes rising among white US kids

More research is needed to better understand why the prevalence of type 1 diabetes among American children is on the rise, according to a new study.


The rate of type 1 diabetes has increased substantially among elementary school-age white children in the United States, a new study shows.

Diagnosed in childhood

The study of young white people found nearly 6,000 new cases diagnosed in teens and kids ages 19 and younger between 2002 and 2009. Youngsters between 5 and 9 years old accounted for most new cases, while no increase was seen among kids younger than 4, the authors said. Boys were slightly more affected than girls.

Type 1 diabetes – previously called juvenile diabetes – is the predominant form of diabetes diagnosed in childhood. People with the disease lose their ability to produce insulin, a hormone needed to convert food into energy for daily life.

Read: Who gets type 1 diabetes?

"The incidence has been rising in many other countries, particularly in Europe, but data from large populations in the U.S. were limited," said the study's lead author, Jean Lawrence, of the Kaiser Permanente Southern California department of research and evaluation.

More research is needed to better understand why the prevalence of type 1 diabetes among American children is on the rise, and what racial and ethnic differences exist, the researchers said.

The findings were culled from one of the largest U.S. studies of diabetes in children – the SEARCH for Diabetes in Youth registry – involving data on more than 2 million children and teens living in diverse parts of the United States.

Ongoing specialised medical care

From 2002 to 2009, the rate of type 1 diabetes jumped from 24.4 per 100,000 children to 27.4 per 100,000 youths, according to the study published in Diabetes.

Although children between five and nine accounted for most new cases of type 1 diabetes, smaller increases were also found among children and teens between 10 and 19.

Read: Type 1 diabetes may develop slower

"This project provides a much larger and more geographically diverse sample than previous studies in the U.S.," said Lawrence in a Kaiser Permanente news release. It involved centers in California, Colorado, Ohio, South Carolina and Washington.

Only about 5 percent of all people with diabetes have type 1, according to the American Diabetes Association. Young people diagnosed with the disease will require ongoing specialised medical care.

Read more:

Breakthrough development could cure type 1 diabetes

New genes found for type 1 diabetes
Counting carbs may help with type 1 diabetes

Image: Baby with diabetes from Shutterstock

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