American College of Cardiology Nov 6 2025 Fewer than half of young adults with severely high low-density lipoprotein (LDL-C), or "bad" cholesterol, levels start taking a statin within five years of first high LDL-C measurement, according to a study published in JACC, the flagship journal of the American College of Cardiology, and presented at the American Heart Association's 2025 Scientific Sessions. The 2018 ACC/AHA Cholesterol Guideline recommends a statin in patients with LDL-C over 190 mg/