Assertion: vein's artery | /r/CapableOf | become stiff
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Source sentences:
text: Heart disease is a broad term that covers a wide range of diseases and disorders, including stroke (the blockage of blood to the brain), heart attack (the flow of blood to the heart is blocked), hypertension (high blood pressure causing the heart to work harder), arteriosclerosis (the arteries become thick and stiff) and aneurysm (a damaged blood vessel that can lead to internal bleeding).