Dietas hipocalóricas y muerte prematura
Las dietas bajas en carbohidratos basadas en productos animales, asociadas con la muerte prematura
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Las personas que consumen dietas bajas en carbohidratos basadas en productos animales tienen una esperanza de vida más corta, en comparación con quienes consumen más fuentes vegetales de proteína o grasa y en comparación con quienes consumen más carbohidratos, según un nuevo estudio publicado en The Lancet. Los investigadores combinaron los datos del estudio estadounidense ARIC (Atherosclerosis Risk in Communities) y otros siete estudios prospectivos multinacionales y descubrieron que consumir menos del 40 por ciento o más del 70 por ciento de las calorías a partir de carbohidratos estaba asociado con un mayor riesgo de muerte, en comparación con consumir entre el 50 y el 55 por ciento de calorías a partir de carbohidratos. Sin embargo, cuando las fuentes de carbohidratos se intercambiaron por fuentes de proteína o grasa animal (pollo, carne de res, cordero, cerdo), el riesgo de muerte aumentaba en un 18 por ciento, en comparación con un 18 por ciento menor riesgo de muerte cuando esas sustituciones eran vegetales (frutos secos, panes integrales y verduras).
Low-Carb, Animal-Based Diets Associated with Early Death
People who consume animal-based, low-carbohydrate diets have a shorter life expectancy, compared with those who consume more plant-based sources of protein or fat and compared with those who consume more carbohydrates, according to a new study published in The Lancet. Researchers combined data from the U.S.-based Atherosclerosis Risk in Communities (ARIC) study and seven other multinational prospective studies and found that consuming less than 40 percent or greater than 70 percent of one’s calories from carbohydrate was associated with a higher risk for dying, compared with consuming between 50 and 55 percent of calories from carbohydrate. However, when carbohydrate sources were exchanged for animal-based protein or fat sources (chicken, beef, lamb, pork), the risk for death increased by 18 percent, compared with an 18 percent decreased risk for death when those substitutions were plant-based (nuts, whole-grain breads, and vegetables).
Referencia del estudio:
Seidelmann SB, Claggett B, Cheng S, et al. Dietary carbohydrate intake and mortality a prospective cohort study and meta-analysis. Lancet. Published online August 16, 2018.
Fuente: PCRM, www.pcrm.org, 20/08/2018
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