Studie kopplar vitamin B12 och folat till trötthet

En ny japansk studie har kopplat brist på vitamin B12 och folat till ökad trötthet och minskad motivation hos annars friska vuxna. Forskningen undersökte blodmarkörer och självrapporterade symtom hos omkring 600 deltagare.

Forskare ledda av professor Hiroaki Kanouchi vid Osaka Metropolitan University analyserade blodnivåer av homocystein, folat och vitamin B12. De utvärderade även trötthet med hjälp av Chalder Fatigue Scale och en visuell analog skala, samtidigt som de kontrollerade för faktorer som ålder, sömn, arbetsbelastning och kost.

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