News bites: Plan B grief, Medco merger and more

Former FDA assistant commissioner for women's health Susan Wood takes to the Washington Post's opinion pages to blast the Obama administration's "precedent-setting" overturning of the FDA on Plan B.

Pharmacy benefit managers Medco and Express Scripts are already big enough to negotiate the best prices from drugmakers and shouldn't be allowed to merge, the Post's Steven Pearlstein argues.

Traditional lines between once distinct healthcare players — hospitals, insurers, doctors — are starting to blur as the industry struggles to cut costs and prepares for changes brought by the healthcare reform law, The Wall Street Journal reports.

The health impacts of Shale Gas drilling might never be shown for sure, MedPage Today reports in a two-part special report.