Life-Changing Diagnosis: Type 1 Diabetes By ALIYAH BARUCHIN
Patrick Andrade for The New York Times.Twin sisters Ali, left, and Marissa Newman at home. After Ali learned she had diabetes, Marissa enrolled in a study of the disease.
In Brief:Type 1 diabetes most often arises in children or young adults but can strike at any age, with the sudden appearance of symptoms that may be life-threatening. Close relatives are at increased risk for developing the disease, but onset may require an enviro..