I'm caucasian am i more susceptible to having vascular diseases?

Depends: Cardiovascular risk factors are dependent on family history, smoking, cholesterol, hypertension, and diabetes/obesity. So if you have any of these risk factors then your risk is higher, the color of your skin is not as critical in determining risk compared to these risks above.

Mult factors: Race has a small impact compared to other factors such as smoking, fam history, and cholesterol and triglyceride levels. Newer studies have implicated inflammation in-vessel walls as causitive. These factors are much more important than race.