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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 ...
Ultra-processed foods often contain trans fats and high levels of saturated fats, which can raise LDL cholesterol (bad cholesterol) levels and lower HDL cholesterol (good cholesterol) levels. Elevated LDL cholesterol is a major risk factor for atherosclerosis, a condition that can lead to heart attacks, strokes, and cardiovascular disease.
A saturated fat is a type of fat in which the fatty acid chains have all single bonds between the carbon atoms. A fat known as a glyceride is made of two kinds of smaller molecules: a short glycerol backbone, and fatty acids that each contain a long linear or branched chain of carbon (C) atoms.
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.
For optimal health, Ali sums it up perfectly: “Boosting omega-3s, choosing healthy oils for omega-6s and cutting back on fried and saturated fats can support heart health, lower the risk of ...
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Elaidic acid is a trans fat with negative health effects. Full hydrogenation results in the conversion of all of the unsaturated fats into saturated fats by transforming all of the double bonds in the fat into single bonds. Partial hydrogenation reduces some, but not all, of the double bonds by the partial replacement with single bonds.
Concerns were also expressed at a 2010 conference of the American Dietetic Association that a blanket recommendation to avoid saturated fats could drive people to also reduce the amount of polyunsaturated fats, which may have health benefits, and/or replace fats by refined carbohydrates — which carry a high risk of obesity and heart disease. [72]