When I was a kid and my asthma struck I'd often open my window, set my elbows on the window sill, my face up to the screen, and inhale the cool, fresh air.  This seemed to give me some relief in my efforts to gain control of my breathing.

One hot summer my mom gave me a fan, and I refused to give her that fan back even when summer was over.  By the time I was 16 I had a fan running in my room round the clock, even during the winter.  (I still do this to this day.)

I also kept my window...