For people in good health and without any special nutritional deficiencies, there isn't enough evidence to say it's a good idea — at least when it comes to preventing cardiovascular disease and cancer.
The National Weather Service says at least four tornadoes touched down in Alabama during this week's storms, including an EF-2 tornado that flung a semitrailer onto the roof of an industrial plant in the Fort Payne area.
The Fort Payne-area twister was brief but powerful, with estimated winds up to 125 mph. Survey crews from the weather service say it flipped three large semitrailers, vaulting one into the air and onto the factory's roof around 12:30 a.m. Friday.
Now more than ever before, we have the tools to study the mysteries of consciousness. Memory, dreams, the self are now being examined using high-tech brain scans developed by physicists on the cutting edge of their field.
Think for a moment about an artist who is really out there in some way. Maybe a musician comes to mind, somebody like Lady Gaga or a painter like Salvador Dali. New research now asks whether you like such artists because of their art or because they conform to a mental stereotype of how artists are supposed to behave. NPR's social science correspondent Shankar Vedantam joins us regularly on this program. Hi, Shankar.