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• 04:52 Popular

  The Science Of Hay Fever... Are Parasitic Worms The Cure?

  778 views / 0 likes - added 8 years ago

  Hay fever has an awful habit of ruining what should be the nicest time of the year. But what is it? And why is it called ‘hay fever’? Kate explores the science of allergies, and hunts through the research for a cure. Subscribe for more from Kate: http://b

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