I want to start out by saying I'm new to this site, and I don't know how to properly explain things. Anyway the first thing I want to talk/ask about is a problem I have. In short, anytime I think about going to work or an appointment I get a tight heavy knob in my chest, it feels like I'm suffocating. If I try to force my self to do what I have to do it guess worse till the point I feel near pain. I've had this issue for years and I don't know what to do about it.