Seed Oils Are the Worst Foods in Your Diet with Dr. Cate Shanahan | 1168 | Dave Asprey

Oxidation

The dangers of seed oils largely stem from their propensity to oxidize, leading to the formation of harmful toxins. Cate Shanahan explains that when oils like canola and corn are exposed to heat and light, they undergo oxidation, producing toxins that contribute to oxidative stress, a root cause of many chronic diseases 1. She emphasizes the importance of avoiding these oils, as they are prevalent in many foods, often without consumers realizing it 2. Shanahan notes, "The dose makes the poison," highlighting how the concentration of these toxins in seed oils is significantly higher than other environmental contaminants 1.

   

Prevalence

Seed oils are alarmingly prevalent in the food industry, often hidden in everyday products. Cate Shanahan points out that these oils are the cheapest available, leading to their widespread use in restaurants and processed foods 2. This results in the average person consuming about 30% of their daily calories from these oils. Dave Asprey warns about deceptive labeling practices, where products claim to contain healthy oils but are mostly made of seed oils 3. "If you can turn that bottle around, then you can turn your metabolism around," Shanahan advises, stressing the importance of reading labels to avoid these hidden ingredients 3.

   

Avoidance

Avoiding seed oils requires vigilance and informed choices. Cate Shanahan suggests being aware of what oils are used in cooking and opting for alternatives like butter or olive oil 2. She stresses that avoiding seed oils is not just about what you cook at home but also about being cautious of what is served in restaurants and packaged foods 2. Dave Asprey adds that understanding the quality of oils, such as distinguishing between refined and unrefined, is crucial in making healthier choices 4. "It's not just a matter of ditching the canola oil bottle next to your stove," Shanahan emphasizes, highlighting the pervasive nature of these oils in our diets 2.