"reason for constant swelling"

Normal Thyroid but Constantly Swollen and Tired? Suspect Phlegm-Fluid

Waking up in the morning with your whole body puffy and swollen, feeling as heavy as lead, and having a foggy head... does this sound like your story? After returning from an exhausting day, you want to curl up under a warm blanket, yet for some reason your hands and feet are always cold, and you feel frustrated because you seem to gain weight even though you barely ate anything. Your medical checkups always say 'normal', so where do this persistent fatigue and lethargy come from?