Add the diabetes drug metformin to the list of medications possibly contaminated with a carcinogen that has led to recalls of other medications.

Women who said they used permanent hair dye in the year before enrolling in a study were 9% more likely to develop breast cancer compared to women who did not.

Newsletter editor Brianna Labuskes wades through hundreds of health care policy stories each week, so you don’t have to.

There’s something new in this year’s Covered California open-enrollment period: Consumers are learning whether they will qualify for new state-funded financial aid. The results are mixed, with some scoring hundreds of dollars per month and others nothing.

The case revolves around a health law provision designed to help insurers recover some losses because they had an unusually high number of sick and expensive customers. Insurers complain that when Republican lawmakers discontinued funding the program, it was like “Lucy Van Pelt pulling the football away from Charlie Brown.”

Californians must have health insurance starting next year or face a hefty tax penalty. But, as with the now-defunct federal tax penalty for being uninsured, some people will be exempt.

Justices from the right and left ask whether Congress needs to keep its promises.