Cold-FX fact check: Does it work the way it claims to? (CBC Marketplace)

What FX? | Originally broadcast January 13, 2012.
Lots of people swear by it, as evidenced by its status as Canada's top-selling cold remedy. But does COLD-FX really do what the company claims? Marketplace puts COLD-FX to the test, and discovers that there may be more clever marketing than proven science at the heart of their success.
For more: http://http://www.cbc.ca/marketplace/episodes/2012-episodes/what-fx
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Видео Cold-FX fact check: Does it work the way it claims to? (CBC Marketplace) канала CBC News