Fats & Omega-3s

Dietary fat has swung from "avoid entirely" to "eat as much as you want" more than once in the last 40 years, and seed oils are having their own moment right now. This is the evidence on saturated fat, omega-3/omega-6 ratios, and whether specific oils deserve the reputation they currently have.

Stylised bottle of oil with a molecular chain motif inside it
ScienceFats & Omega-3s

Is Seed Oil Actually Bad for You?

The 'seed oils are toxic' claim leans hard on a mechanism. The large cohort studies that actually measured outcomes tell a different story.

Meta-analysis

Related from elsewhere on the site

Stylised set of balance scales with a fat-droplet icon on one side and a bread-grain icon on the other, level
Myth vs FactFats & Omega-3s

"Eating fat makes you fat"

Metabolic-ward trials find low-fat and low-carb diets produce similar fat loss at matched calories — fat isn't uniquely fattening compared to other calories.

Myth