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Why shouldnt you drink Coke on a plane?

The air on a plane is much drier than what it is on the ground, meaning consuming fizzy drinks as well as alcohol can leave you feeling unwell. These are both drinks that can cause passengers problems before and during a plane journey because the risk of dehydration is huge.



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It's been proven time and again that our taste buds act a little differently when we fly. This is because the drier air and cabin pressure can dull our sense of taste and smell, making certain food and drink taste a bit different than they do on the ground.

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To be extra safe, the CUNY researchers advised people never to drink water onboard a plane that does not come from a sealed bottle. They also said passengers should not drink coffee or tea brewed on their flight, and that they should even use hand sanitizer instead of washing their hands with onboard water.

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In response to a historic uptick in reported incidents of unruly and disruptive — and sometimes intoxicated — passengers, many airlines banned alcohol on flights during the COVID pandemic. The FAA investigated over 1,000 cases of unruly passengers in 2021 alone — more than the five previous years combined.

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Because the effects of air travel dull down the sweetness in the ginger ale, its other flavors are allowed to shine, making the drink taste drier—and more refreshing—than it does back on the ground, she explains. “It gives off a more refreshing and sophisticated taste,” Redwine confirms.

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Fear of flying is called aviophobia or aerophobia. Fear of getting on a plane can be a heritage from childhood or it can emerge from adulthood as a result of various triggering factors. According to researches, air travel is the least likely form of transportation with a risk of death.

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This is because at the high altitude, it becomes extra bubbly because the CO2 is able to release more easily in the lower air pressure of the cabin.

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Food and drinks to avoid on planes according to flight attendants
  • Alcohol.
  • Water (that isn't bottled)
  • Ice.
  • Tea and Coffee.
  • Cheese Boards.
  • Steak.
  • Soup.
  • Pasta.


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As a caveat, she noted that drinks with too much acid (such as tomato juice or citrus juice) can result in an upset stomach or heartburn if you're susceptible to these issues. Grosskopf said that a bloody mary, gin and tonic, Moscow mule, and a mimosa are all “safe bets” on flights.

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The diet variety is said to contain more carbon dioxide than any other soft drink so it takes significantly longer for the foam to fall at altitude. “This is why flight attendants hate serving Diet Cokes on the plane... it takes too long to pour,” Ariel said in a TikTok video.

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What's False: Drinking alcohol at altitude does not affect the concentration of alcohol in your blood anymore than it does at sea-level, as this Austrian study notes. The FAA has also conducted numerous studies, further backing this evidence.

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All in all, there are plenty of ways beer cans or bottles can be broken over the course of a flight. So, you want to make sure it's thoroughly padded and protected to survive the trip. Wrap each bottle or can in its own individual plastic bag.

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