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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Which decreases risk of coronary artery disease?
assistant
The correct answer is  Ans. is 'b' i.e., HDL* High Density lipoprotein is involved in reverse cholesterol transport.* It collects cholesterol and phospholipids from extrahepatic tissue membranes and reach liver. In other words, it reverses atherosclerotic changes. Hence it is found to be protective against atherosclerosis.