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La trampa de la ferritina: La verdad oculta sobre el hierro, la fatiga y la anemia
Paperback
Series: Iron, Ferritin & Anemia
Diet & NutritionMedical Reference
Publisher: Independently Published
Published: Sep 3 2026
Pages: 328
Weight: 0.88
Height: 0.82 Width: 6.00 Depth: 9.00
Language: Spanish
La ferritina se ha convertido en uno de los análisis de laboratorio más utilizados para evaluar el estado del hierro. Para muchos pacientes -y también para muchos profesionales sanitarios- un valor bajo de ferritina parece significar automáticamente deficiencia de hierro, mientras que un valor normal parece indicar que todo está bien. Pero la biologÃa del hierro es mucho más compleja.
La trampa de la ferritina: La verdad oculta sobre el hierro, la fatiga y la anemia examina qué sabemos realmente sobre el hierro, la ferritina y la anemia, y qué parte de nuestras prácticas actuales se basa en interpretaciones que merecen ser revisadas.
Olena Berezovska, médica investigadora y autora de numerosos libros sobre salud y medicina, presenta la fisiologÃa del hierro de forma rigurosa y comprensible. Explica cómo el organismo absorbe, transporta, utiliza, almacena y recicla este elemento esencial; qué representa realmente la ferritina; cómo se establecieron sus rangos de referencia; y por qué un único resultado de laboratorio no puede describir por sà solo el estado del hierro de una persona.
El libro analiza la diferencia entre la verdadera deficiencia de hierro y las alteraciones de su disponibilidad y distribución, asà como el efecto de la inflamación, las infecciones, las enfermedades crónicas y otros procesos biológicos sobre la ferritina y los demás marcadores del metabolismo del hierro. También examina la anemia y sus múltiples causas, mostrando por qué encontrar un valor bajo de hemoglobina es solo el comienzo de la investigación, no el diagnóstico final.
La obra aborda además el metabolismo del hierro durante el embarazo, la menstruación, el crecimiento y el envejecimiento; los mitos relacionados con los alimentos ricos en hierro y su absorción; y las distintas formas de tratamiento, desde los suplementos orales hasta el hierro intravenoso y los productos sanguÃneos.
Pero el problema del hierro no termina con su deficiencia. El exceso y la acumulación de hierro también pueden tener consecuencias biológicas importantes. La autora explora el estrés oxidativo, la ferroptosis, la función mitocondrial, la sobrecarga de hierro, la hemocromatosis y la posible participación del hierro en los procesos relacionados con el envejecimiento, la neurodegeneración y la biologÃa del cáncer.
La trampa de la ferritina: La verdad oculta sobre el hierro, la fatiga y la anemia no es un libro contra la ferritina ni contra el tratamiento de la deficiencia de hierro. Es una invitación a comprender mejor lo que los análisis de laboratorio pueden decirnos -y también lo que no pueden decirnos- antes de convertir un número en un diagnóstico.
Dirigido tanto a lectores interesados en comprender su propia salud como a profesionales sanitarios, este libro ofrece una perspectiva basada en la fisiologÃa, la evidencia cientÃfica y el pensamiento crÃtico sobre uno de los temas más debatidos de la medicina actual.
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