A sabon binciken da aka wallafa a mujallar *GeroScience*, berayen da suka kai watanni 22 suka sha nicotinamide riboside (NR) a hankali na makonni takwas. Sakamakon ya nuna cewa berayen sun fi kyau a gwaje‑gwajen tunawa, kuma alamar kwayoyin garkuwar kwakwalwa ta koma kamar ta berayen matasa. Lura: binciken an yi shi a kan beraye ne kawai, ba a tantance irin wannan fa'ida a mutane ba. An yi amfani da ƙima 400 mg/kg – wadda ke da nisa fiye da abin da mutane ke sha – kuma dabbobin da aka yi amfani da su maza ne kawai. An ga canje‑canje a microglia, amma ba a iya tabbatar da dangantakar su da ingantaccen tunawa ba, don haka karanta ƙarin bayani don fahimtar abin da ke nufin masu sha’awar NR.
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