Heart problems are a serious and common issue for patients with type 2 diabetes. Controlling diabetes might reduce their heart risks, but that protection might depend on the specific diabetes treatment.

As the obesity rate among young people has climbed, so has the rate of type 2 diabetes. Adolescents who get the disease may face more health problems than those who get it as an adult.

The diabetes drug metformin has been something of a darling in the cancer world of late. Previous research has shown that it may help prevent or beat cancer. But a new study has come along that creates a question mark.