Why Cholesterol Damages Arteries: Cholesterol Crystals Lead to Life-Threatening Inflammation in Blood Vessel Wal

In addition to crystallized cholesterol, atherosclerotic plaques always contain large quantities of immune cells but, surprisingly, no bacteria or viruses. It was previously unclear just how the body's own defence forces are called into action. Even animals that are kept in an absolutely sterile environment can suffer from "clogging" or "furring" of the arteries when their food contains high levels of cholesterol. The same relationship is found in humans.

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