foodexpert
@foodexpert · Jul 21, 2026
Seed oils are harmful to long-term health.
Although the broad outlines of a healthy diet are clear, controversy has arisen surrounding certain foods and nutrients. This review updates contemporary nutrition controversies and the extent to which they may promote or protect against cardiovascular disease (CVD). In this review, beef tallow, ultraprocessed foods, full-fat dairy, seed oils, medium chain triglyceride oils, seafood, and alternative sweeteners are considered. Three groupings included: 1) evidence of harm with a recommendation to limit or avoid; 2) lacking in evidence for harm or benefit; and 3) evidence of benefit. The evidence of harm category included beef tallow, due to association with increased low-density lipoprotein cholesterol, ultraprocessed foods associated with worsened cardiometabolic health, and artificial sweeteners owing to correlations with increased CVD. Within the category lacking in evidence were full-fat dairy, medium chain triglyceride, monk fruit, and stevia. Finally, evidence of benefit included
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Have you heard the claim that seed oils are “toxic”? Some social media users blame them for everything, from acne and weight gain to cancer and infertility. But as is so often the case, the truth is a lot more nuanced than TikTok typically reveals. Registered dietitian Julia Zumpano, RD, LD, explains what seed oils are, what they can do to your body, and whether you need to cut them out entirely or just try to focus on a healthy, balanced diet. (Hint: It’s the latter.)
Added by huahJul 21, 2026health.clevelandclinic.org
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