STORY AT-A-GLANCE One of the most damaging components in our modern diet is processed vegetable oils, as they contain excessive amounts of oxidized omega-6 linoleic acid, a polyunsaturated fat (PUFA). The biological damage they cause is even worse than that caused by refined sugar and high fructose corn syrup Virtually all chronic metabolic and degenerative diseases, including age-related macular degeneration, are primarily caused by a preponderance of industrial vegetable oils in the diet Vegetable oils degrade to extremely toxic oxidation products when heated, including cyclic aldehydes, which contribute to the development of heart disease and neurodegenerative diseases Two common stealth sources of harmful PUFAs are conventionally farmed chicken and pork. These animals are routinely fed grains such as corn. As a result, the meat becomes high in omega-6 linoleic acid, as corn is loaded with this type of fat Replacing processed vegetable oils (and the foods that contain them) wi...