Some keto evangelists believe vegetable oil is worse than cigarettes, but the science behind the theory doesn’t add up
Advocates of the high-fat, low-carb ketogenic diets have warned against the health risks of vegetable and seed oils, claiming they’re a “dirty” fuel source for the human body.
One keto influencer recently claimed vegetable oils are just as dangerous for health as “smoking two packs of cigarettes a day.”
But an expert said there’s no evidence for this claim, and cooking oils can have a wide range of health effects depending on how they’re prepared.
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Advocates of keto typically encourage a high-fat diet, but some hardcore “keto evangelists” say it doesn’t count if you use plant-based oils.
If you incorporate processed forms of fat — seed oils, non-organic veggies — you’re engaging in “dirty keto,” according to Ben Azadi, founder of the health coaching site Keto Kamp.
“Keto is very popular, and with the buzz comes a lot