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.
Diseases and conditions that may cause edema include: 1  Congestive heart failure. 2  When one or both of your heart's lower chambers lose their ability to pump blood effectively â as happens in congestive heart failure â the blood can back up in your legs, ankles and feet, causing edema.