FlyerTalk Forums - View Single Post - Air conditioning and hot weather & perspiration
Old May 19, 2012 | 4:46 am
  #7  
NPF
10 Years on Site
 
Join Date: Oct 2010
Location: Rio de Janeiro
Programs: AA / AV
Posts: 647
You won't catch a cold, but there are very similar allergy symptoms.

An abrupt drop in temperature will cause constriction of blood vessels in the nose; this is know to cause an allergic reaction in some people, and this manifests itself very much like a cold (laryngitis, pharyngitis, etc...).
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