Robby is 11 years old.
He was diagnosed with diabetes (Type 1) four years ago.
Every meal is a math problem for Robby. First, he has to calculate how many grams of carbohydrates is in the food he is going to eat.
Then he has to give himself insulin based on his blood sugar level and carb count. Robby has always been very active. He loves to play basketball, swim, ride his bike and read.