A disease where the arteries get clogged and stiff because of a buildup of fats, cholesterol, and other stuff, which can cause heart problems or a stroke.
Atherosclerosis can be dangerous because it narrows the arteries, making it harder for blood to flow and increasing the risk of heart attacks.
動脈硬化は危険です。それは動脈を狭め、血液の流れを難しくし、心臓発作のリスクを高めます。