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The development of a new efficacious drug to delay, and hopefully prevent, the onset of AD symptoms must catch up with these efforts

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B12 injections provide a direct dose of vitamin B12, a crucial nutrient responsible for red blood cell production, DNA synthesis, and supporting the nervous system

Oral versus intramuscular administration of vitamin B12 for vitamin B12 deficiency in primary care: a pragmatic, randomised, non-inferiority clinical trial (OB12)

Relative mRNA expression was determined using the GoTaq 1-step real-time quantitative PCR (RT-qPCR) system (TAKARA) and qPCR using SYBR premix Ex Taq kit (TAKARA), and RT-qPCR was performed on an ABI Prism 7500 Fast Real-Time PCR System (Applied Biosystems, CA, USA)