Moreover, ghrelin and its receptor GHS-R1a have a cardioprotective effect on the cardiovascular system via the modulation of sympathetic activity and hypertension, enhancement of vascular activity and angiogenesis, inhibition of arrhythmias, reduction in heart failure, and inhibition of cardiac remodeling after myocardial infarction [78]. Here, GHRL is linked to myocardial infarction.