Hello, for the past few day I have been experiencing shortness of breath. Sometimes it occurs after I do simple task such as walking around or upstairs, and other time it can just occur out of nowhere in which I would be sitting down then all of a sudden I start breathing heavily in order to catch my breath. Another bing that I've noticed is my breast, during the day my breast have been even more uncomfortable in a bra that the usual which is expected. Although I run out of breath with my bra on and of, it seem to me when I have my bra off and my breast are hanging a little that's when not only I run out out breath, but it becomes harder to breathe in general unless I'm laying down in my back where my breath are on top of my chest rather than hanging. Ppl have told me they think it's an issue because I don't drink enough water because I barely drink water sometimes I don't even drink any liquids throughout the day simply because I'm not thirsty most days

Please tell me what to do from here I am concerned at this point