Medical professionals are sounding the alarm. Dr. Siti Nurhaliza, a geriatric specialist from Universitas Indonesia, warns that the prank binor trend is effectively an . "Elderly individuals have decreased vascular elasticity. A sudden shock in a dark, empty house triggers a catecholamine surge. The 'crot' moment these pranksters want—the fall, the scream—is often the sound of a stroke or a fractured hip ."