Injection of “smart insulin” regulates blood glucose levels for one week Tests in animals show the material works like the body's own system.

An oral insulin that has proven effective at reducing blood glucose and avoiding hypoglycemia in mice, rats, and baboons is set for human clinical trials as soon as 2025.

People with type 1 diabetes must constantly rely on insulin injections or pumps, usually for the rest of their life after diagnosis. The autoimmune disease destroys the cells that produce the hormone, ...