question: Ive been sick for almost a week now, but thats not what really concerns me (although it might be the issue).  The last couple days the left side of my chest has been feeling cold in the inside even though I am warm on the outside (or sweating from physical labor).  I was curious if this was just because of being sick or is there something else going on.  Its also cold on the left side of my back, but not as much as my chest.  Not really much pain, just feels funny.  Any ideas?