This could be it. Now that i think about i lost about 8 kilograms in past 2-3 months and not drinking water so often. I'll try this "water therapy" and will post if that helped. Thanks for the reply....
Hey man, i think i have exactly same isue like you do. I feel pain i my left lung or maybe it's heart i have no idea. It hurts when i breathe or try to move my body. :( I don't smoke either, this...