Are your feet, ankles, hands, or legs often swollen? This happens because of water retention, a condition known as edema. It is characterized by the accumulation of fluids in the tissues, circulatory system, and cavities.
The main causes of edema are pregnancy, not being physically active, premenstrual syndrome, sedentary lifestyle, and certain medications. But, swelling can also occur during a long flight.
Most cases of edema are not serious. However, sometimes it can indicate heart failure or kidney disease, so it
