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Though Altitude Sickness Is Typically Mild, It Can Turn Serious

Altitude sickness is rare at elevations of less than 8,200 feet but becomes much more common at higher altitudes.

Maya Karkalicheva/Moment via Getty Images

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Equipped with the latest gear and a thirst for adventure, mountaineers embrace the perils that come with conquering the world’s highest peaks. Yet, even those who tread more cautiously at high altitude are not immune from the health hazards waiting in the thin air above.

Altitude sickness, which most commonly refers to acute mountain sickness, presents a significant challenge to those traveling to and adventuring in high-altitude destinations. Its symptoms can range from mildly annoying to incapacitating and, in some cases, may progress to more life-threatening illnesses.

While interest in high-altitude tourism is rapidly growing, general awareness and understanding about the hazards of visiting these locations remains low. The more travelers know, the better they can prepare for and enjoy their journey.

As an emergency physician specializing in high-altitude illnesses, I work to improve health care in remote and mountainous locations around the world. I’m invested in finding ways to ...

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