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A armadilha da ferritina: a verdade oculta sobre ferro, fadiga e anemia
Paperback
Series: Iron, Ferritin & Anemia
Publisher: International Academy of Healthy Life
Published: Aug 27 2026
Pages: 320
Weight: 0.95
Height: 0.72 Width: 6.00 Depth: 9.00
Language: Portuguese
Durante décadas, a deficiência de ferro ocupou o centro das discussões sobre anemia, fadiga e saúde da mulher. Mais recentemente, a ferritina passou a ser tratada quase como uma resposta universal: um número baixo frequentemente desperta preocupação, leva à suplementação e, em muitos casos, torna-se uma explicação conveniente para sintomas muito diversos. Mas a história cientÃfica do ferro é muito mais ampla.
A armadilha da ferritina: a verdade oculta sobre ferro, fadiga e anemia acompanha essa história desde a própria biologia do ferro até a forma como a medicina moderna passou a medir, classificar e tratar suas alterações. Olena Berezovska examina como surgiram os valores de referência, por que diferentes laboratórios e diretrizes nem sempre concordam entre si e como conceitos como deficiência, insuficiência, anemia e reservas de ferro passaram a ser utilizados - à s vezes com uma precisão cientÃfica menor do que imaginamos.
Ao longo do livro, o leitor descobre um sistema extraordinariamente regulado, no qual o ferro é continuamente transportado, armazenado e reciclado. Também encontra um paradoxo fundamental: o mesmo elemento indispensável à produção de energia, ao funcionamento cerebral e à formação do sangue pode tornar-se prejudicial quando se acumula em excesso.
Da gravidez e menstruação ao envelhecimento, da alimentação às infusões intravenosas, da deficiência à sobrecarga, este livro percorre os dois lados da fisiologia do ferro e mostra por que mais nem sempre significa melhor - e por que um resultado laboratorial nunca deve substituir a compreensão do organismo como um todo.
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