Acute liver failure caused by 'fat burners' and dietary supplements: a case report and literature review.

Globally, people are struggling with obesity. Many effective, nonconventional methods of weight reduction, such as herbal and natural dietary supplements, are increasingly being sought. Fat burners are believed to raise metabolism, burn more calories and hasten fat loss.

Revisiting the past: intra-arterial vasopressin for severe gastrointestinal bleeding in Crohn's disease.

Technological advances in the last couple of decades have led to a tremendous improvement in the safety and efficacy of embolization making it the therapeutic intervention of choice in angiogram positive lower gastrointestinal bleeding. Vasopressin has thus been forgotten and it is hardly ever used by the current generation of interventionists. However, coil embolization is technically challenging and requires greater expertise.