Hmmm....here's a strange one...
Some adults who have previously eaten red meat without any problems, suddenly develop an anaphylactic reaction to red meat. They literally suddenly become allergic to meat. What do these adults have in common? They've experienced a tick bite recently.
"It has changed our thinking," said allergist Saju Eapen, of Roanoke, Va. "This was not something we looked for in the past."
While not common, it has some fascinating implications into the study of how food allergies develop. Check out the full story.