News bites: Everyday low benefits as Wal-Mart rolls back coverage

Citing rising costs, Wal-Mart is substantially rolling back coverage for part- time workers and significantly raising premiums for many full-time staff, The New York Times reports.

The Environmental Working Group plans to test the safety of 10,000 foods, Time reports.

An 18-year Danish study found no link between cell phone use and brain tumors, MedPage today reports: "I'm impressed with the quality and size [of the study], so I think it significantly weakens the idea that cell phones can cause brain cancer," Timothy Jorgensen of Georgetown Lombardi Comprehensive Cancer Center told the publication.

The Wisconsin state Senate passed a Republican bill to ban abortion coverage from policies obtained through the state's future health insurance exchange, the AP reports.

The federal government has more than tripled the amount of money it has recovered through efforts to stop Medicaid fraud in the past six years, USA Today reports.