HDL, or high-density lipoprotein, is the "good" cholesterol. It helps to remove bad cholesterol from your arteries, so a higher HDL level is better.| medlineplus.gov
LDL, or low-density lipoprotein, is the "bad" cholesterol. A high LDL level can lead to a buildup of cholesterol in your arteries.| medlineplus.gov
High blood pressure (hypertension) develops when blood flows through arteries at higher than normal pressures. It increases the risk for heart disease and stroke.| medlineplus.gov