Among teen drivers, those at especially high risk for motor vehicle crashes are: Males: In 2014, the motor vehicle death rate for male drivers and passengers ages 16 to 19 was two times that of their female counterparts. 1
1 Excess fluid that accumulates in the abdominal cavity is called ascites. 2  Edema of unknown cause occurs primarily in women. 3  Varicose veins or thrombophlebitis (a blood clot in an inflamed vein) of the deep veins in the legs causes edema that is localized to the legs.
Edema can also develop as a result of a blood clot in the deep veins of the lower leg (called deep vein thrombosis [DVT]). In this case, the edema is mostly limited to the feet or ankles and usually affects only one side (the left or right); other conditions that cause edema usually cause swelling of both legs.