Image by Wikipedia People universally complain about how bad airplane food is... However, the reason may surprise you in that it's not the airline's fault, but your body's. Based on research performed in 2010 at the Fraunhofer Institute in Germany where they have a replica airplane cabin and can simulate different altitudes, cabin pressure, cabin external wall temperature, relative humidity, noise level, vibration, light, air circulation, etc... food scientists discovered that…