This podcast episode delves into the detrimental effects of vegetable oils on health, revealing how their processing leads to oxidative stress, insulin resistance, and metabolic inflexibility, while debunking common misconceptions about their benefits and the effectiveness of antioxidant supplementation. The expert guests, Shanahan and Greenfield, illustrate the toxic nature of vegetable oils and their role in damaging cellular functions and lowering cholesterol levels, while providing healthier alternatives for nutrition and discussing the broader implications of ultra-processed foods.