Research suggests that BanLec, the substance found in bananas, could someday ward off a number of viruses, including the flu.
It's that time of year when a runny nose could be caused by either allergies or a cold. Here's how to tell what's causing your symptoms.
Little evidence that pandemic flu drugs actually work
Governments worldwide stockpiled flu drugs for pandemic flu outbreaks, but there is little evidence to indicate how effective that approach was.
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