Type 1 diabetes usually appears first in children and adolescents, but it can occur in older people, too. The immune system attacks the pancreatic beta cells so that they can no longer produce insulin. There is no way to prevent type 1 diabetes, and it is often hereditary. Around 5 percent Trusted Source of people with diabetes have type 1, according to the Centers for Disease Control and Prevention (CDC).
Dr Saleem Qureshi
Dr Usman Javed