I'm asian 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.

Generally no: As our asian friends modify to western life the risks resemble ours. There are a few conditions more common in other family trees and world backgrounds.