Mystery of why arteries harden may have been solved, say scientists

Study finds calcium deposits are triggered by molecule produced by damaged cells

The mysterious mechanism behind the hardening of arteries may have been solved, researchers have revealed, in a study that also suggests the first potential preventive drug for the condition linked to heart attack, dementia and stroke.

Arteries harden as calcium becomes deposited in the elastic walls of the vessels, a process that happens as we age and is exacerbated for patients with diabetes or kidney disease. Stiffening can also occur as calcium becomes deposited in fatty plaques in the arteries – a condition called atherosclerosis.

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Source : Mystery of why arteries harden may have been solved, say scientists