the faa fda are placed new restrictions on the diabetes drug avandia because out concerns it could cause heart attack. new patients can get a prescription for the drug but only if they can't control their blood levels with other medications. it will be pulled off the market in europe. the fda says there isn't enough evidence to warrant complete withdrawal in the u.s. >>> about bat laboratories is recalling a million cans of powdered formula because because it may contain a small beetle or larry say. it was sold in various sizes. similar lack is the top selling formula in the united states. >>> congressional hearings are underway for protecting students from concussions about. 4,000 concussions are reported a year and the danger of the brain injury has been under estimated. >> reporter: when seattle middle schooler zachary took this hard hit in the final quarter of his football game his brain was already bleeding from a concussion. >> i was begging god to keep him alive. >> he went in a coma and unable to walk and that was four years ago and been in intensive rehab ever since. >> i don't