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Old 18 March 2015, 08:23 PM
Dr. Dave Dr. Dave is offline
Join Date: 28 June 2005
Location: Montgomery County, MD
Posts: 5,279

I've never heard that. The small grain that might affect blood donation eligibility is if they have traveled outside the U.S. a lot or to certain countries. You may be deferred if your travel puts you at risk to carry malaria or a variant of the mad cow virus.
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