I was struggling to breathe looking at the scorching 110-degrees Sun right above my head in the Sedona, Arizona desert. I had to conserve the last sip of water, I had 30 more minutes to hike to reach my car. The problem was, I could feel my heart struggling to pump with every step I took. If I faint, there probably wouldn’t be anyone to notice for a few days unless some hiker shows up. I have never hiked in hot dry desert weather before, I underestimated the heat. I sat under a tree and closed my eyes. I could rest, but every minute I delayed, I would soon need…