The exact cause is unknown, but several risk factors accelerate the formation of fatty deposits in the arteries that contribute to arterial vascular disease:
- Smoking
- Family history of vascular disease, angina, heart attacks or stroke
- Being overweight
- An unhealthy diet
- Lack of exercise
- Diabetes
- Being male
- High blood pressure
- High cholesterol levels
- Stress
The risk factors for venous thrombosis are:
- Recent surgery
- Inactivity
- Trauma to the leg
- Previous blood clot
- Obesity
- Varicose veins
- Heredity