I have been experiencing acute breathlessness this week. Brief periods when I am unable to breathe freely and feel very suffocated. So I consulted my Doctor and she says, "Well, if you can't breathe..then take long deep breaths, that should help." What has actually helped though is Pranayama in the mornings. I do breathing exercises the first thing every morning and through out the day wheenever I can. I used to climb a flight of 40 stairs 2-3 times a day at work. I have stopped doing that and am using the elevator now, this has also helped immensely.