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Why is bad on the plane? Scientists have found a new, unusual cause of

September 11 2007
08:32

A joint team of American and Danish researchers conducted a series of experiments and found out why during a flight on an airplane even familiar people, headache, and often there is a feeling of dryness in the eyes. Results of the study is so reliable that even described in the scientific literature - in the journal Environmental Science and Technology »(Environmental Science & Technology).

It turned out that, contrary to current opinion for a long time, blame the malaise should not vent system airliner. It turned out that the root cause of deteriorating state of health of passengers is the interaction of fat and skin of ozone, which is significantly greater in the upper atmosphere, and which falls into the salon.

The experiment was sluyuschim way: scientists simulated 4-hour flight on a model airplane for two groups of volunteers (16 women). During the "trip" the air in the cabin has changed, both in real terms (that is, varied concentrations of ozone, as well as researchers changed the speed of air in the cabin).

Revealed that elevated levels of ozone causes increased reaction with cutaneous fat, leading to the appearance in the air compartment of toxic substances such as acetone, capric aldehyde, formic and acetic acids, and others. That they cause headaches, irritation of mucous membranes (such as the eyes and nose) and other unpleasant sensations during the flight.

Soon, scientists plan to conduct additional studies to understand the relationship between these byproducts and emerging negative symptoms. If this bond will be fully proved, "we need to do is not so much to limit their appearance" - says one of the coordinators of the project. Already been proposed to decompose ozone in airplane ventilation system, which will reduce its concentration in the air compartment.

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