insulin from pigs and cattle was being produced and sold on a massive scale around the world. But for some, the early forms of the medicine weren't ideal. Many people required multiple injections ...

Insulin comes in several forms: Rapid-acting. It starts to work about 15 minutes after injection. Regular, or short-acting. Also called a mealtime insulin, you take it about 30 minutes before you ...

The levels in patients who received the weekly shots were only 0.05% worse off than those taking insulin daily, which the team says is a negligible difference given the reduced injection frequency.

Nobody likes getting shots. But most of us ... People with some forms of diabetes, on the other hand, have to inject themselves with insulin two to four times a day just to stay alive.