Un estudio revela que el café mejora el estado de ánimo a través de las bacterias intestinales

Tanto el café con cafeína como el descafeinado pueden mejorar el estado de ánimo y el rendimiento mental al influir en los microbios intestinales. Los investigadores descubrieron que los polifenoles presentes en el café son los responsables de muchos de estos beneficios. Los resultados provienen de un ensayo controlado con 62 adultos sanos.

John Cryan, del University College Cork, dirigió el estudio junto a colegas de Italia. Los participantes incluyeron tanto a consumidores habituales de café como a personas que no lo consumen. Los usuarios habituales dejaron de tomar café durante dos semanas antes de retomar el consumo de las versiones regular o descafeinada durante tres semanas. Los científicos realizaron un seguimiento de los cambios mediante muestras de sangre, saliva, orina y heces, además de pruebas de estado de ánimo y cognición.

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