Cholesterol What is the "Bad cholesterol" ie: LDL? Share Pin Email Cholesterol Types Basics Medications Natural Treatments Diet and Meal Plans Getting Tested Related Conditions Exercise and Cholesterol Updated April 06, 2016 Bad Cholesterol is referred to as low density lipoprotein which can form plaque in your arteries. Learn the facts about LDL levels and what is considered bad cholesterol in our video. Up Next Up Next Video What are the Complications of High Cholesterol? Up Next Video What are "good" cholesterol targets or numbers to have or aim for? Up Next Video What is the link between cholesterol and high blood pressure? Up Next Video What are the different cholesterol numbers I should know (TC, LDL, HDL, TG)?