Cardiologist Reveals Flight's Impact on Your Heart & Protection Strategies

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Flying and Your Heart: Cardiologist Reveals Risks, Offers Protection Tips

From a fall in oxygen levels to slow blood circulation, doctor explains the physiological changes that take place when one is flying. (Picture: Pexels)

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Moneycontrol•17-03-2026, 14:17

Flying and Your Heart: Cardiologist Reveals Risks, Offers Protection Tips

•Cardiologist Dr. Dmitry Yaranov explains how flying taxes the body, especially the heart, due to physiological changes.
•Reduced cabin pressure lowers oxygen levels, forcing the heart to pump harder and decreasing cardiac output.
•Dry cabin air causes dehydration, thickening blood and increasing circulatory strain on the heart.
•Prolonged sitting slows circulation, raising risks of blood pooling, swelling, deep vein thrombosis (DVT), and pulmonary embolism.
•Dr. Yaranov advises hydration, avoiding alcohol/salt, frequent movement, using nasal spray, and walking after landing to protect heart health.

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