Reuters - People who send off their saliva to genetic testing companies to find out their risk for prostate cancer or diabetes are likely to get different results, depending on the company they choose, government investigators told lawmakers on Thursday.
AP - Facing surgery? You could receive blood that's been stored for a week, or three weeks, or nearly six — and there's growing concern that people who get the older blood might not fare as well.
Reuters - For weight-loss surgery, "Centers of Excellence" may not be any safer than their undistinguished peers, a study of 25 Michigan hospitals suggests.