Binciken da aka yi a kan maza da mata masu shekaru 50‑75 da ke da korafin tunani ya nuna cewa a cikin kwanaki 90, ƙungiyoyin da suka ci N‑PEP‑12 (45 mg da 90 mg) sun samu ƙaruwa a lura, mayar da hankali da kuma sakamakon gwajin Digit Span idan aka kwatanta da placebo. Sai dai tasirin maganin gaba ɗaya bai kai ga mahimmanci ba (p = 0.133), kuma waɗannan sakamakon na ƙarshe sun kasance na bincike na farko.
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