Final answer:
LDL cholesterol, also known as low-density lipoprotein cholesterol, is often referred to as "bad" cholesterol because elevated levels can contribute to the buildup of plaque in the arteries, leading to an increased risk of heart disease.
Step-by-step explanation:
LDL cholesterol, also known as low-density lipoprotein cholesterol, is often referred to as "bad" cholesterol because elevated levels can contribute to the buildup of plaque in the arteries, leading to an increased risk of heart disease. It is recommended to keep LDL cholesterol levels below 100 mg/dL for optimal cardiovascular health.