

ManuelGonzalezTejera
55.5K posts

@manegonte
Ingeniero Agrónomo, Especialista Agropecuario, Consultor en Defensa y Seguridad Nacional, conductor de FOTOSINTESIS en El Sol de la mañana


























Medical experts have officially exonerated eggs: dietary cholesterol from eggs has little to no significant impact on blood cholesterol levels or heart disease risk for most people. For years, eggs were demonized due to their high cholesterol content in the yolk (~186 mg per large egg), leading to strict limits in older dietary guidelines. However, extensive research has shifted the focus: saturated fats—primarily from sources like butter, red meat, processed meats, and full-fat dairy—are the primary drivers of elevated LDL ("bad") cholesterol and cardiovascular risk, not the cholesterol we consume. A key 2025 randomized crossover trial published in The American Journal of Clinical Nutrition tested this directly. Participants followed three isocaloric diets for 5 weeks each: one high in dietary cholesterol (600 mg/day) but low in saturated fat (6%) with 2 eggs daily; one low in cholesterol but high in saturated fat (12%) without eggs; and a control high in both. Results showed that the egg-inclusive, low-saturated-fat diet actually reduced LDL cholesterol compared to the high-saturated-fat control (and slightly more than the low-cholesterol, high-saturated-fat arm). Saturated fat intake positively correlated with higher LDL, while dietary cholesterol showed no such link. Egg yolks are nutritional powerhouses, packed with high-quality protein, essential vitamins (A, D, E, B12), minerals, and unique compounds like choline (vital for brain health and liver function) and antioxidants lutein/zeaxanthin (supporting eye health). Registered dietitians stress that "context matters": risks historically tied to eggs often arise from common pairings—fried in butter, alongside bacon/sausage—rather than the eggs themselves. To maximize benefits while keeping things heart-healthy, prepare eggs with healthier fats like olive oil or avocado, and pair them with fiber-rich vegetables, whole grains, or plant-based sides. For most healthy adults, moderate consumption (up to 1–2 eggs daily) fits well into evidence-based patterns like the Mediterranean or DASH diets. [Carter, S., Connole, E. S., Hill, A. M., Yandell, C., Wood, L., Coates, A. M., & Buckley, J. D. (2025). Impact of dietary cholesterol from eggs and saturated fat on LDL cholesterol levels: a randomized cross-over study. The American Journal of Clinical Nutrition, 122(1), 83–91. DOI: 10.1016/j.ajcnut.2025.05.001]