Higher altitudes pose several challenges. With low oxygen, you could experience breathlessness, dehydration, nausea, vomiting and, depending on your condition, a heart attack or even death — or none of them. Read More
Higher altitudes pose several challenges. With low oxygen, you could experience breathlessness, dehydration, nausea, vomiting and, depending on your condition, a heart attack or even death — or none of them. Read More