DHA ga Kwakwalwa: Watanni 12 na Rage Raguwa a Hippocampus a MCI
Shekara guda da aka sha DHA ta rage raguwa a hippocampus, wuri mai matukar muhimmanci wajen tunawa, a manya da ke da Matsakaicin Nakasa na Tunani (MCI). A cikin gwaji mai ƙau da 240 daga China (219 suka kammala), ƙungiyar da ta karɓi DHA ta samu sakamako mafi kyau a gwaje‑gwajen IQ, Bayani da Digit Span idan aka kwatanta da placebo. Kadarar da aka ba ita ita ce ƙara 2 g na DHA a rana, wanda a zahiri ya kai kusan 0.9 g na DHA. Sakamakon na iya bayyana dalilin da ya sa gwaje‑gwajen omega‑3 a cikin mutane masu lafiya ba su ba da sakamako ba, domin fa'ida na iya iyakantuwa ga waɗanda ke fama da raguwar tunani. Wannan rubutun ya tattauna lambobin sakamako, hanyoyin da ake tunanin DHA ke aiki, shawarar adadi da asalin DHA, da iyakokin gwajin.
Vitamin D3 Ya Dakile Raguwar Telomere da 140 Base Pairs a Gwajin RCT na Shekaru 4
Wani babban gwaji mai kulawa da placebo ya gano cewa shan vitamin D3 tsawon shekaru hudu ya rage raguwar telomere da kusan 140 base pairs. Bayanai sun fito daga binciken VITAL da aka gudanar a kan manyan 'yan Amurka masu shan 2,000 IU a kowace rana. Tasirin ya kasance kanana (p = 0.039), kuma tsawon telomere alama ce kawai, ba hujjar tsawon rai ba. Omega‑3 a wannan gwaji ba ta nuna wani tasiri kan telomere ba. Ga abin da lambobin ke nuna, iyakokinsu, da yadda za a fassara sakamakon.
Omega-3 Ya Rage Tsufan Halitta Da Kimanin Watanni 3 Cikin Gwajin Shekara 3
Wani gwajin bazuwar da aka yi wa mutane 777 masu shekaru 70 da sama ya gano cewa gram 1 na omega‑3 a kowace rana yana rage agogon epigenetic da kusan watanni 3 na tsufan halitta a cikin shekaru uku. Hada omega‑3 da bitamin D (2,000 IU a rana) da wani sauƙi na motsa jiki a gida ya nuna ƙarin fa'ida a kan agogon PhenoAge. Abin da ya kamata a sani shi ne tasirin yana da ƙanƙanta, binciken an yi shi kwanan nan, kuma agogon epigenetic alamu ne kawai, ba hujja ta tsawon rayuwa ba. Wannan nazari ya bayyana adadi, ƙuntatawa, da ƙimar da aka yi amfani da su, tare da shawarar duba likita kafin a fara.