In healthy adults, leftover cholesterol in the blood doesn’t seem to add extra heart disease risk once you already know someone’s LDL (‘bad’) cholesterol level.

Even if your heart looks healthy and you have no major risk factors, higher 'bad' cholesterol (LDL) — even when it's considered 'normal' — is linked to more hidden artery buildup. For every 10-point rise in LDL, the odds go up by about 15%.

Even if you're healthy and don't have typical heart disease risks, having higher 'bad' cholesterol (LDL) might still mean you're more likely to have early signs of artery buildup — and the higher the LDL, the greater the chance.

Even if you feel fine, your arteries might start building up plaque when your 'bad' cholesterol (LDL) hits around 50 to 60 mg/dL, and the more LDL you have, the more plaque builds up — steadily and predictably.

When you eat more cholesterol, both your bad and good cholesterol go up together, so the balance between them stays the same—and that balance matters more than the total amount.

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