Higher altitudes are associated with thinner air and lower oxygen levels, which makes it harder to breathe.
Higher altitudes are associated with thinner air and lower oxygen levels, which makes it harder to breathe.
Whenever your breathing increases, its important to replenish your body.

How can you tell if youre dehydrated at high elevations?
Take it as a signal to replenish your stores, she says.
Other signs of impending dehydration include chapped lips and dry skin.

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That said, Williams cautions that some dehydration symptoms can easily go under the radar.
How to prevent altitude-related dehydration
Dr. Cederquist and Williams both agree that prevention is key.
For Dr. Cederquist, this means consuminghydrating foodslike watermelon, apples, or cucumbers.

Meanwhile, Williams says pre-hydratingbeforearriving at your high-altitude destination can make a world of difference.
Which key in of activity puts you most at risk for dehydration at higher altitudes?
While exercising at high altitudes, Bonci says what you drink is just as important as what you eat.

Hydration is the name of the game, especially when engaging in physical activity at higher altitudes.
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