complications
... that untreated persistent hypertension can lead to serious complications, such as dementia, strokes, renal failure and heart disease ?
... that untreated persistent <a href="./Hypertension" id="mwFvQ" rel="mw:WikiLink" title="Hypertension">hypertension</a> can lead to serious <b id="mwFvU"><a href="./Complications_of_hypertension" id="mwFvY" rel="mw:WikiLink" title="Complications of hypertension">complications</a></b>, such as <a href="./Dementia" id="mwFvc" rel="mw:WikiLink" title="Dementia">dementia</a>, <a class="mw-redirect" href="./Strokes" id="mwFvg" rel="mw:WikiLink" title="Strokes">strokes</a>, <a class="mw-redirect" href="./Renal_failure" id="mwFvk" rel="mw:WikiLink" title="Renal failure">renal failure</a> and <a href="./Hypertensive_heart_disease" id="mwFvo" rel="mw:WikiLink" title="Hypertensive heart disease">heart disease</a> <i id="mwFvs">(<a href="./Left_ventricular_hypertrophy" id="mwFvw" rel="mw:WikiLink" title="Left ventricular hypertrophy">left ventricular hypertrophy</a> pictured)</i>?