Swelling. Swelling (edema) is a build-up of water in the tissues. This can be caused by retaining salt and water due to medicines or heart, liver, or kidney failure. It can sometimes be due to poor nutrition, pelvic tumors, or a blockage in the veins or lymph system.
Reactance, denoted X, is a form of opposition that electronic components exhibit to the passage of alternating current (alternating current) because of capacitance or inductance. In some respects, reactance is like an AC counterpart of DC (direct current) resistance.
Idiopathic environmental intolerances or Multiple chemical sensitivity (MCS) is a chronic medical condition and syndrome characterized by symptoms that the affected person attributes to low-level chemical exposures to commonly used chemicals.