Here’s how to deal with altitude sickness
You don’t have to scale a towering peak to feel the effects of high elevation. Plenty of beloved travel destinations sit at lofty heights—like Cusco, Peru (11,152 feet) or Leh, India (11,550 feet). At higher altitudes, the air holds less oxygen, which can leave you breathless just strolling up a street. (Check out these nine … Read more