Stepping inside an aircraft for a flight feels like a smooth transition from ground to air, especially for those who fly frequently. You board a plane, you settle into your seat, and it may feel like you’re simply sitting back until you reach your destination. Apart from some momentary jitters during the takeoff and the landing, the whole journey seems to be a smooth sail — or rather, a smooth fly! Your mind is aligned and sorted — but what about your body? According to a well-known cardiologist, Dr. Dmitry Yaranov, who goes by the name “heart_transplant_doc” on Instagram, flying is far more taxing on your body, especially your heart, than most people realise. As per Dr. Yaranov, what seems like a relaxed reclined seat at 35,000 feet is in fact a landscape of reduced oxygen pressure,

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