You may fly between sea level and 10,000 ft above mean sea level without supplemental oxygen. The greatest change in atmospheric pressure takes place in the first 8000 ft. Some of the other items that will affect the onset of hypoxia include smoking, blood donations, hemorrhaging, anemia, certain drugs, chemicals, carbon monoxide, high g forces, prolonged sitting in one position, cold temperatures, positive pressure breathing, narcotics, chewing tobacco, and alcohol. It would be nice, but we can t stop the clock. Cheer up, all is not lost.
Studies say that exercise is the key to coping with many problems associated with aging.
Exercise, in addition to increasing our tolerance to the abuse we sometimes deal to our bodies, also helps us control hypertension, heart disease and diabetes. Florida, of course, is ideal for this particular exercise. Whether you swim in a pool or ocean, use a mask and snorkel. Good eating and drinking habits will also contribute to a longer life and more time in the air. Tunnel vision is a sign of hypoxia.