More than 8.5 million people have signed up for PPACA, to date.

Blood-testing startup Theranos Inc.has flaws in the process it uses to validate its products, the FDA says.

Pharmaceutical makers are fitting drug trial participants with fitness trackers in hopes of streamlining trials. Someday, these wearables also could help prove to insurance companies that treatments are working.

Anthem, the third-largest health insurer in the country, said Wednesday it will cover Sprout Pharmaceuticals "female Viagra" pill Addyi in many cases. But others aren't sure yet.

Sprout Pharmaceuticals' female libido drug Addyi will be available as soon as Oct. 17, despite its modest benefit and serious side effects. The FDA had previously rejected the drug in 2013, then faced a backlash from some doctors and researchers.

About 6.6 million U.S. taxpayers paid a penalty imposed for the first time this year for not having health insurance.

The FDA hopes to learn more about drug side effects from data on a patient network called PatientsLikeMe.

FDA advisors are concerned about the safety of the experimental pill for treating low sex drive in women.