We were going to the circus in January 2011 and I noticed that, just walking from the car to the arena, I was wheezing and out-of-breath. Now this was not a long walk because we landed the perfect parking spot, right across the street from the arena. I just blamed my wheezing and shortness of breath on my recent (over the course of 1 1/2 years) weight gain of about 40 pounds.

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