Nicotinamide Riboside Ya Ƙara NAD+, Amma Bai Inganta Tunawa ba
Wani ƙara ya ninka matakin NAD+ a jini, amma ba a samu tasiri a kan tunawa ba. A gwajin makonni 12 da aka gudanar kan manya da ke da amnestic mild cognitive impairment (aMCI), nicotinamide riboside ya ninka NAD+ sau biyu, amma ba ya haɓaka aikin kwakwalwa, yawan jinin kwakwalwa, ko hawan jini. An ga alamar ƙaruwa a yawan jinin da ke gudana zuwa hippocampus, amma wannan ba tabbataccen sakamako ba ne. Ga abin da binciken ya nuna, iyakokinsa, da abin da ya ke nufi ga waɗanda ke tunanin ƙara NAD+.
Ma'adanin Trace da ya Bace Daga Kwakwalwa Kafin Alzheimers
Wani sabon bincike da aka wallafa a mujallar *Nature* daga Harvard ya gano cewa **lithium** ne kadai ƙarfe da ya ragu ƙwarai a kwakwalwan mutanen da ke da matsakaicin rauni na tunani (MCI). A lokacin da aka rage lithium a ƙwayoyin berayen, an ga ƙaruwar amyloid‑beta, ƙaruwar phosphorylated tau, kumburi, da asarar ƙwaƙwalwa. Sake ba da lithium a sifar **lithium orotate** ya dakatar da waɗannan al'amura. Sai dai sakamakon ya samo ne daga gwaje‑gwajen dabbobi kawai, babu gwajin ɗan adam, kuma lithium na da haɗari ga koda, thyroid da wasu magunguna.