High cholesterol is common, and because it usually causes no obvious symptoms, many people only discover it after a routine blood test. The good news is that everyday habits can make a meaningful difference in heart health and may help improve cholesterol levels over time. There is no single food, drink, or home remedy that can “clean” the arteries overnight. A more realistic approach is to focus on a balanced diet, regular movement, healthy weight management, good sleep, and medical follow-up when needed. What Is Cholesterol? Cholesterol is a waxy substance your body needs for several important functions, including hormone production and cell health. It travels through the bloodstream in particles called lipoproteins. Two of the most commonly discussed are: LDL cholesterol , often called “bad” cholesterol because higher levels can contribute to plaque buildup in the arteries. HDL cholesterol , often called “good” cholesterol because it helps transport cholesterol away from...