The American Medical Association today published the results of a large and long study that is good news for anyone who has diabetes. The study shows that intensive control substantially lowers the risk of some serious complications of diabetes.
No surprise that intensive control works. But the surprise is how well it works.
The study followed 1,375 people with type 1 diabetes for 30 years of their diabetes. The complications measured were proliferative retinopathy, nephropathy, and...

