Too much cancer screening, too many heart tests, too many cesarean sections. A spate of recent reports suggests that many Americans are being overtreated. Maybe even President Barack Obama, champion of an overhaul and cost-cutting of the health care system. Is it doctors practicing defensive medicine? Or are ...

Recent reports and guideline changes suggest some medical tests should be delayed, avoided, or done less often: _ MAMMOGRAM: Most women don't need a mammogram in their 40s and they should get one every two years starting at 50, according to the U.S. Preventive Services ...

Pfizer Inc. said Thursday the cancer drug Sutent did not meet key goals in two late-stage studies focusing on advanced breast cancer. The drug is already sold as a treatment for advanced kidney cancer and gastrointestinal stromal cancer, which affects the stomach. Both breast cancer studies ...

Pfizer Inc. said Thursday it discontinued a late-stage study of the drug candidate figitumumab in patients with late-stage lung cancer, citing a lack of effectiveness. The company said an independent monitoring committee recommended stopping the study. It concluded that figitumumab in conjunction with Tarceva ...