Since its landmark discovery in 1922, insulin has improved the health and extended the lives of more than 500 million people worldwide with diabetes mellitus. Yet the question of how this key hormone ...

When you’ve got a diabetic in your life, there are few moments in any day that are free from thoughts about insulin. Insulin is literally the first coherent thought I have every morning, when I check ...

After collapsing at his job and spending a week in a hospital, Thomas Strathmann of Bozeman, Mont., left with a diagnosis of type 1 diabetes and two boxes of insulin. He was told they would last “a ...