How Does Glucose Insulin and Diabetes Work?

Glucose, insulin, and diabetes are like a team that helps your body get energy from food.

Glucose is like sugar in your blood, it’s what your body uses for fuel. When you eat something sweet or starchy, your insulin steps in to help carry that glucose into your cells, where it can be used for energy.

Imagine you're eating a big bowl of cereal in the morning. Your body turns that cereal into glucose, which goes into your blood. Then insulin acts like a delivery driver, taking that sugar and bringing it to your cells so they can use it.

But when someone has diabetes, this team doesn’t work quite right. It’s like if the delivery driver forgets to show up, the glucose stays in the blood instead of getting into the cells. That makes the body tired or confused, because the cells aren’t getting their fuel.

Sometimes insulin is too much or not enough, it's like having a driver who either brings too many packages or doesn't bring any at all. That’s why people with diabetes need to watch what they eat and sometimes take medicine to help balance things out.