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July 21, 1999

Research: Causes and Prevention

Question from Palmdale, California, USA:

My son, aged 12, has Type 1 diabetes. I know that the chances of my daughter developing the disease are around 6%. But two siblings of our diabetic support group have just been diagnosed with Type 1 within the last four months! How are sibling incidences of diabetes tracked and who placed the possibility of developing the disease at 6%? Is there an increase of sibling cases on the rise? Are better tracking methods needed?


The Diabetes Prevention Trial Type 1 (DPT-1) is the answer. I recommend all siblings participate in the DPT trials.