("pluck and blow") - [voiceover] forfrequent fliers out there, you might wanna listen up. studies suggest thatfrequent fliers, like pilots, have more than double therisk of developing melanoma
crash diets negative effects, compared to the general population. plane windows do not sufficiently block the harmful uv rays, which are more powerfulat higher altitudes.
about a third of your tastebuds go numb during flight. the dry air evaporates nasal mucus, and membranes become swollenfrom cabin pressurization, making it more difficultto detect food scents needed for taste. at cruising altitudes your blood absorbs less oxygen, which may cause sleepiness, dizziness, fatigue, and alack of mental sharpness. the decreased air pressure on the plane
also causes gas to expand in your body, which can lead to discomfort. sitting for a very longtime decreases blood flow and causes blood to poolin your lower extremities. this causes your muscles to stiffen, and increases the risk of blood clots. pick your legs up and walk around a bit. there's a risk of altitudeinduced decompression sickness in flight.
one symptom is joint pain, or the bends. if you've gone scuba divingyour risk is increased, and you should wait atleast 24 hours after a dive to take a flight. crossing two or more timezones can give you jet lag, as it takes your brain longer to catch onto the new pattern of day and night. the effects are less prominentwhen flying east to west because you're gaining day light.
you're exposed to cosmicradiation at higher altitudes. some studies suggest that frequent fliers, like pilots or flight attendants, have a higher risk of gettingcancer due to radiation. but don't worry, you'reprobably more likely to get into a plane crash thancancer from that radiation.
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