The alarming spike in type-1 diabetes. Though type-2, commonly known as adult-onset diabetes, has been in the spotlight recently with Food Network star and butter-abuser Paula Deen's announcement that she is living with the condition, type-1 is also on the rise. The worldwide annual growth rate has climbed past three-percent. With its serious health risks and lack of a cure, public health researchers are scrambling to find the cause of type-1's recent spike. Maryn McKenna writes about the topic in the February issue of Scientific American, where she is a contributing editor.