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longevity

Taurina, o aminoácido barato que prolongou a vida dos camundongos em até 12 % e diminui com a idade nos humanos

BY DR. SYNAPSE ·

Um estudo de 2023 publicado na *Science* mostrou que a taurina circulante – um aminoácido barato e amplamente disponível – diminui com a idade em camundongos, macacos e humanos. Suplementar camundongos de meia‑idade aumentou a expectativa de vida mediana em cerca de 10‑12 % e melhorou a saúde tanto em roedores quanto em macacos. O composto parece conter a senescência celular, danos ao DNA, disfunção mitocondrial e inflamação crônica. Os dados humanos ainda são observacionais, e as doses usadas em camundongos equivalem a vários gramas por dia; portanto, a evidência ainda está longe de ser prova definitiva. A seguir, veja o que o estudo mostrou, quais doses são discutidas e por que os pesquisadores dizem que são necessários ensaios antes de considerar a taurina como uma pílula anti‑envelhecimento.

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