Cancer may be even more complicated than everybody already thought. And that's why a single tissue sample taken from a single tumor may not be the best way to figure out a course of treatment.
British researchers took multiple samples within kidney tumors (before and after drug treatment) and also got samples from tumors that had spread from the original cancers in four patients.
They performed all kinds of genetic tests, including detailed DNA sequencing, on the cancers and found wide variations in some key traits.
Iran's supreme religious leader Ayatollah Ali Khamenei said he welcomed President Obama's comments that attempted to cool off tensions between the West and Iran.
The Christian Science Monitor calls it an "unprecedented praise."
Originally published on Fri March 9, 2012 10:07 am
President Obama's campaign on Thursday issued the trailer for a documentary about his time in the White House. Call it "President Obama: The Movie."
Rev. Pat Robertson.
Those in favor of legalizing marijuana have gained an unlikely ally.
In an interview with The New York Times, Pat Robertson, the televangelist behind Christian Broadcasting Network's "The 700 Club," doubled down on an opinion he had expressed on his show for years now.