Why do people with type 1 diabetes inject insulin?

Insulin is essential for people with Type 1 diabetes because their bodies don't produce enough, or any of, it. Insulin helps the body to take glucose from the bloodstream into the cells for energy, and its deficiency leads to elevated glucose levels in the blood, which can cause a range of serious complications. This is why individuals with Type 1 diabetes need to inject insulin regularly to manage their blood sugar levels, helping them to stay healthy and minimize potential risks.