Age as a risk factor: you are as old as your arteries.
Advancing age is a major risk factor for coronary heart disease and is an indicator of coronary plaque burden. Noninvasive assessment of subclinical atherosclerosis is a better measurement of plaque burden and can provide a better assessment of "arterial age."
Grundy
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D000367:Age Factors; D003324:Coronary Artery Disease / Q000175:diagnosis / Q000453:epidemiology; D003327:Coronary Disease / Q000175:diagnosis / Q000453:epidemiology*; D006801:Humans; D011237:Predictive Value of Tests; D018570:Risk Assessment; D012307:Risk Factors