Hey Holistic Americans! For decades, weโve been told to swap butter and animal fats for โheart-healthyโ vegetable oils. But what if the oils in your pantryโcanola, soybean, corn, sunflower, safflower, and moreโare actually fueling inflammation, weight gain, and chronic disease? Letโs break down the science behind seed oils, the omega-6 problem, and how to make smarter fat choices for vibrant health. What Are Seed Oils? Seed oils (often called โvegetable oilsโ) are extracted from seeds like soybeans, corn, canola (rapeseed), sunflower, safflower, cottonseed, and grapeseed. Unlike olive oil or coconut oil, which can be pressed naturally, seed oils require heavy industrial processing; high heat, chemical solvents (like hexane), bleaching, and deodorizing. Common seed oils: * Soybean oil * Corn oil * Canola oil * Sunflower oil * Safflower oil * Cottonseed oil * Grapeseed oil * Rice bran oil The Omega-6 Problem Seed oils are extremely high in omega-6 polyunsaturated fatty acids (PUFAs), especially linoleic acid. While omega-6s are essential in small amounts, the modern diet is overloaded, often 10-20 times more than our ancestors ate. Why is this a problem? Omega-6s are pro-inflammatory when not balanced by omega-3s (found in fish, flax, chia, and pastured animal fats). Chronic inflammation is linked to heart disease, diabetes, obesity, autoimmune disorders, and even cancer. Excess omega-6s can disrupt cell membranes, hormone balance, and immune function. The ideal ratio: Traditional diets had an omega-6 to omega-3 ratio of about 1:1 to 4:1. Today, most Americans are at 15:1 or higher, driven by seed oil consumption. How Seed Oils Harm Your Health 1. Promote Inflammation Excess omega-6s are converted into arachidonic acid, which fuels the bodyโs inflammatory pathways. Chronic inflammation is the root of most modern diseases. 2. Easily Oxidized Seed oils are unstable and oxidize easily when exposed to heat, light, or air. Oxidized fats create free radicals, damaging cells and DNA.