不定项选择题 You don’t have to climb a mountain to experience the
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不定项选择题 You don’t have to climb a mountain to experience the woes of elevation. Plenty of favorite travel spots (21 ) on high, such as Cusco, Peru, at 11,152 feet, and Leh, India, at 11,550 feet. At altitude there’s less oxygen in the air, which can leave you ( 22 ) for breath just trying to walk up a street.
What exactly is happening to the body? First it increases breathing which can feel like a shortness of breath, says Peter Hackett director of the Institute for Altitude Medicine in Colorado. “Second, the blood vessels in the brain ( 23 ), so that there’s more blood and therefore more oxygen. That gives the sensation of a headache.”
Symptoms of a acute mountain sickness or AMS as it’s known, include trouble sleeping, nausea, loss of appetite, and fatigue. If you keep going higher and ignore signals from your body, you could develop HAPE, high altitude pulmonary edema, or HACE, high altitude cerebral edema, both of which are very serious.
All that said, some of the best views on earth are seen from up high The Key to your success? Go up slowly, ( 24 ) over two or three days, if possible; and using these tips will help you feel good at the top.
Follow these tips:
Take it easy: during the first day or two at altitude, don’t ( 25 ) yourself. Do a little exercise, but give your body time to adjust.
Sample the snacks: stick to small meals the first few days, because the digestive system can become stressed at elevation.
Guzzle water: drinking plenty of H2O prevents dehydration, which has symptoms similar to those of those of acute mountain sickness.
Shield your skin: ultraviolet light increases by five percent per thousand feet of altitude, so accessorize with protective gear such as sunglasses, a broad - brimmed hat, and sunscreen.
