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Unlike animal fats such as butter, lard, and beef tallow (which RFK Jr. claims is a vastly healthier alternative), many seed oils are made up of unsaturated fats, and most contain high levels of ...
Bulsiewicz is referring to studies like the 2024 review published in Food & Nutrition Research where it was shown that oils rich in unsaturated fats were preferred for better LDL cholesterol ...
Seed oils are characterized by the industrial process used to extract the oil from the seed and a high content of polyunsaturated fatty acids (PUFAs). [10] Critics' "hateful eight" oils consist of canola, corn, cottonseed, soy, sunflower, safflower, grapeseed, and rice bran oils, [ 8 ] which are creations of industrialization in the early ...
For example, a recent large meta-analysis found that replacing some saturated fats with polyunsaturated fats (like seed oils) was associated with a lower risk of cardiovascular disease and type 2 ...
Polyunsaturated fatty acids are precursors to and are derived from polyunsaturated fats, which include drying oils. [3] Chemical structure of the polyunsaturated fatty acid linoleic acid 3D representation of linoleic acid in a bent conformation Chemical structure of α-linolenic acid (ALA), an essential omega−3 fatty acid
The evening primrose flower (O. biennis) produces an oil containing a high content of γ-linolenic acid, a type of omega−6 fatty acid.Omega−6 fatty acids (also referred to as ω−6 fatty acids or n−6 fatty acids) are a family of polyunsaturated fatty acids (PUFA) that share a final carbon-carbon double bond in the n−6 position, that is, the sixth bond, counting from the methyl end.
A meta-analysis of six randomized trials found that replacing saturated fat with omega−6 fats reduced the risk of coronary events by 24%. [ 41 ] A healthy ratio of omega−6 to omega−3 is needed; healthy ratios, according to some authors, range from 1:1 to 1:4. [ 42 ]
The question of seed oils and cancer started because seed oils are high in omega-6 fatty acids, some of which may promote inflammation in the body, research has shown.