30 Oct 2018 --- Oral curcumin provides no benefits in preventing inflammation and complications in patients undergoing elective surgery for aortic aneurysm repair, according to a trial published in Canadian Medical Association Journal (CMAJ). These findings show that the nutrition industry should be careful about espousing the health benefits of natural products until their beneficial effects are proven in rigorously conducted human clinical trials, the researchers tell NutritionInsight.