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The Independent UK
The Independent UK
Travel
Ella Pickover

Calls for airlines to stop selling alcohol on flights

Getty Images/iStockphoto

Airlines should consider restricting or stopping the access to alcohol on flights to protect the health of passengers, academics have said.

Many holiday goers will celebrate jetting off on their travels with an alcoholic beverage and some of these may have a doze on a plane.

The combination appears to lower blood oxygen and increase heart rate, even among younger adults.

The study found that the combination of in-flight alcohol and cabin pressure at cruising altitude may put strain on sleeping passengers’ hearts.

“The on board consumption of alcohol is an underestimated health risk that could be easily avoided,” academics from the Institute of Aerospace Medicine in Germany said.

“It may be beneficial to consider altering regulations to restrict the access to alcoholic beverages on board aeroplanes.”

The researchers point out that heart and circulatory problems account for 7% of in-flight medical emergencies, with cardiac arrests causing 58 per cent of all plane diversions.

Writing in the journal Thorax, the researchers said that being in a hypobaric environment – an environment where there is low air pressure – is known to decrease oxygen levels in the blood and increase heart rate.

They added that air passengers with heart problems have an increased risk of aggravation of symptoms due to the decreased cabin pressure at cruising altitude, which is amplified during sleep.

(Getty Images)

Alcohol, often consumed on board, has similar effects, they said.

As a result they wanted to test the impact of alcohol consumption and sleep in a hypobaric environment.

The researchers assessed 48 people aged between 18 and 40.

They spent either two nights in a sleep laboratory or an altitude chamber – which recreates the same altitude of a cruising aeroplane.

Before one of the nights the people drank alcohol.

Researchers conducted sleep study tests as well as closely monitoring their heart rate and blood oxygen levels.

They found that the combination of alcohol and experiencing low oxygen concentration at high altitudes reduced sleep quality, “challenged the cardiovascular system” and led to extended duration of low blood oxygen levels.

The authors concluded: “Together these results indicate that, even in young and healthy individuals, the combination of alcohol intake with sleeping under hypobaric conditions poses a considerable strain on the cardiac system and might lead to exacerbation of symptoms in patients with cardiac or pulmonary diseases.”

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