Doctors and researchers have a pretty good handle on most of what causes diabetes in adults. Most adults have what is known as type 2 diabetes. When the pancreas doesn’t produce enough insulin to control the body’s use of glucose, or the effectiveness of the insulin that is produced is reduced, you have the basics of what causes diabetes in adults.

Adults also suffer from gestational diabetes, which is diabetes during pregnancy thought to be brought on primarily by hormone changes and other stressors placed on the body during pregnancy.

Another classification of adult diabetes is known as secondary diabetes and is similar to type 2 diabetes. But what causes diabetes in adults diagnosed with secondary diabetes is usually some kind of damage to the pancreas brought on by alcohol, drugs like steroids and diuretics. This damage impairs the insulin production and secretion of the pancreas. But let’s focus …