The World Health Organization estimate that over 347 million people worldwide have diabetes and the ADA claim that 25.8 million of those are American. Diabetes is a metabolic disorder that affects blood sugar levels. is your resource for information on type 1 and type 2 diabetes, diabetes symptoms and diabetes treatments. is a community of people with diabetes, their family members, friends, supporters and caretakers, all offering their own support, knowledge and firsthand experiences.