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.
Allergic reactions: Edema is a part of most allergic reactions. In response to the allergen, nearby blood vessels leak fluid into the affected area. Obstruction of flow: If drainage of fluid from a part of your body is blocked, fluid can back up. A blood clot in the deep veins of your leg can cause leg edema.