10/2/2013 - Can the aroma of peanut from passengers eating peanut on a plane cause anaphylaxis in a peanut allergic passenger? For those with peanut allergy, there has been a persistent concern about the risk of having a reaction from casual exposure to peanuts while on an airplane. Specific concerns have been raised about reported airborne reactions from inhaling peanut dust or peanut butter vapors or aroma, from being in close proximity to peanuts, or from coming into contact with contaminated surfaces. This is understandable. However, the peanut allergic flier should rest assured that since the issue was first studied...