Quem bebe café tem mais músculos e menos gordura, sugere estudo

O café já é associado a menor risco de diabetes tipo 2 e de doenças cardiovasculares. Um estudo sugere agora outro efeito: uma composição corporal mais saudável.

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A pesquisa analisou dados de 2.264 finlandeses, todos com 46 anos. A Finlândia é o país que mais consome café no mundo: 12 kg por habitante ao ano.

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Quem bebia café tinha, em média, menos gordura corporal e mais massa muscular esquelética — mesmo entre pessoas com IMC parecido.

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Os que mais consumiam a bebida tinham menos aminoácidos de cadeia ramificada, moléculas ligadas à resistência à insulina e ao diabetes tipo 2.

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Nos homens, mais café veio junto com testosterona mais alta e mais SHBG — a proteína que regula quanto hormônio fica livre e ativo no corpo.

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Neles, porém, a testosterona livre estava mais baixa. Nas mulheres, o efeito foi menor: mais SHBG e menos testosterona ativa e livre no sangue.

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O estudo é observacional: mostra associação, não relação de causa e efeito. Outros fatores podem estar por trás das diferenças observadas.

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