NAPSI-- While elevated triglyceride levels are common-millions of Americans have levels in the very high range-triglycerides are, for many, a mystery. But there is good news. It is possible to learn your triglyceride numbers through a routine blood test. Having elevated triglycerides is more likely if you also have type 2 diabetes, high cholesterol, high blood pressure or are overweight, and there are steps you can take to reduce them.