5 of the Worst Pieces of Nutritional Advice, Ever

2. Use Polyunsaturated Vegetable Oils for Cooking

Vegetable oils don’t necessarily lower your risk of heart disease, just because they have lower levels of cholesterol. Also, these oils have polyunsaturated fats, but most of them are Omega-6’s. Humans need to eat Omega-6 and Omega-3 fatty acids in a balanced way. Eating a diet high in Omega-6s and low in Omega-3s can contribute to inflammation in the body. Also, they are heavily processed and contain lots of trans-fats.