For those with a BOLT score of more than 20 seconds and who are relatively healthy, in addition to practicing the above exercise you can also begin to incorporate breath holding into your physical exercise to simulate high-altitude training, as described in chapter 7. Holding the breath during walking, jogging, or running to create a medium to strong hunger for air decreases the oxygen saturation of the blood to below 94 percent, which can lead to a suppression of appetite. I
