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What Happens To Your Body When A Plane Loses Cabin Pressure?
The
Mumbai-Jaipur
Jet
Airways
flight
had
to
make
an
immediate
landing
because
dozens
of
passengers
travelling
on
this
flight
were
injured
due
to
cabin
pressure.
Around
36
passengers
suffered
from
nose
and
ear
bleed
injuries
and
headaches.
This
happened
because
the
pilots
failed
to
switch
on
the
plane's
cabin
pressure.
During flights, cabin pressure is turned on to balance the loss of oxygen that naturally occurs when a plane reaches high altitude. When the cabin pressure isn't at normal levels, the lack of oxygen at high altitude causes nosebleeds, shortness of breath, swelling of the brain, headaches, and spontaneous lung collapse.
Why Do Planes Pressurise Their Cabins?
The aircraft cabins are pressurized using cool and filtered air bled from the engines, which keeps the air pressure inside the cabin at an altitude of 8,000 ft. If the cabin air is dry, it might cause passengers to become dehydrated and suffer from nosebleeds and shortness of breath.
What Happens To Your Body When A Plane Loses Cabin Pressure?
1. Oxygen deprivation
A recent study claimed that all aircraft cabins are pressurized to 75 per cent of the normal atmospheric pressure. If the pressure is low in the cabin, you start feeling dizzy, fatigued, and experience headaches, shortness of breath and nosebleeds due to the low levels of oxygen in the blood.
2. Loss of taste and hearing
According
to
a
research,
when
the
plane
is
at
a
high
altitude,
a
third
of
your
taste
buds
become
numb
and
the
dryness
and
cabin
air
pressure
affect
the
sinuses,
ears,
and
sense
of
taste.
A
study
done
by
the
British
Airways
and
the
Leatherhead
Food
Research
claims
that
cold
temperatures,
high-stress
levels
and
grey
cabin
lighting
were
also
found
to
dull
the
passengers' tastes
for
food.
3. Dehydration
When you are in the plane, the body is deprived of up to 1.5 L of water due to the dry air pressure in the cabin which has the potential to cause the mucous membranes of your throat, mouth and nose to dry out. The mild hypoxic environment of the flight also increases the breathing rate, the combination of which results in water loss.
4. Swelling and bloating
When the air pressure changes in high altitudes, the build-up of gas in the body leads to constipation, bloating and other gastrointestinal issues. Also, as the body doesn't move and you are sitting in a cramped space for a long time, this causes the blood to build-up in the legs which increases the risk of deep vein thrombosis.
What You Can Do To Prevent Any Harm?
1. While travelling on a plane, you have often experienced the hostesses instructing the passengers on putting on an oxygen mask in case of emergencies. Stick to the instruction and put on an oxygen mask if you are experiencing shortness of breath.
2. The whole body dries out completely, including your nose, mouth and throat. To keep your nasal passages moist and to prevent nosebleeds, carry a nasal saline spray with you while travelling in a plane.
3. Keep your body hydrated by drinking plenty of water at regular intervals.
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